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  <message:Header>
    <message:ID>IDREF59</message:ID>
    <message:Test>false</message:Test>
    <message:Prepared>2026-08-08T22:31:51.7294371+01:00</message:Prepared>
    <message:Sender id="Unknown" />
    <message:Receiver id="Unknown" />
  </message:Header>
  <message:Structures>
    <structure:Concepts>
      <structure:ConceptScheme id="COMPONENT_ROLES" agencyID="ESTAT" version="1.0" isFinal="true">
        <common:Name xml:lang="en">COMPONENT_ROLES</common:Name>
        <structure:Concept id="FREQUENCY">
          <common:Name xml:lang="en">FREQUENCY</common:Name>
        </structure:Concept>
        <structure:Concept id="COUNT">
          <common:Name xml:lang="en">COUNT</common:Name>
        </structure:Concept>
        <structure:Concept id="GEOGRAPHY">
          <common:Name xml:lang="en">GEOGRAPHY</common:Name>
        </structure:Concept>
        <structure:Concept id="IDENTITY">
          <common:Name xml:lang="en">IDENTITY</common:Name>
        </structure:Concept>
        <structure:Concept id="NON_OBS_TIME">
          <common:Name xml:lang="en">NON_OBS_TIME</common:Name>
        </structure:Concept>
        <structure:Concept id="TIME_FORMAT">
          <common:Name xml:lang="en">Time Format</common:Name>
        </structure:Concept>
        <structure:Concept id="UNIT_OF_MEASURE">
          <common:Name xml:lang="en">UNIT_OF_MEASURE</common:Name>
        </structure:Concept>
        <structure:Concept id="ENTITY">
          <common:Name xml:lang="en">ENTITY</common:Name>
        </structure:Concept>
      </structure:ConceptScheme>
      <structure:ConceptScheme id="CS_NA" agencyID="ESTAT" version="1.12" isFinal="false">
        <common:Name xml:lang="en">List of concepts for National Accounts DSDs</common:Name>
        <structure:Concept id="FREQ">
          <common:Name xml:lang="en">Frequency</common:Name>
        </structure:Concept>
        <structure:Concept id="ADJUSTMENT">
          <common:Name xml:lang="en">Adjustment indicator</common:Name>
        </structure:Concept>
        <structure:Concept id="REF_AREA">
          <common:Name xml:lang="en">Reference area</common:Name>
        </structure:Concept>
        <structure:Concept id="COUNTERPART_AREA">
          <common:Name xml:lang="en">Counterpart area</common:Name>
        </structure:Concept>
        <structure:Concept id="REF_SECTOR">
          <common:Name xml:lang="en">Reporting institutional sector</common:Name>
        </structure:Concept>
        <structure:Concept id="COUNTERPART_SECTOR">
          <common:Name xml:lang="en">Counterpart institutional sector</common:Name>
        </structure:Concept>
        <structure:Concept id="CONSOLIDATION">
          <common:Name xml:lang="en">Consolidation Status</common:Name>
        </structure:Concept>
        <structure:Concept id="ACCOUNTING_ENTRY">
          <common:Name xml:lang="en">Accounting Entry</common:Name>
        </structure:Concept>
        <structure:Concept id="STO">
          <common:Name xml:lang="en">Stocks, Transactions, Other Flows</common:Name>
        </structure:Concept>
        <structure:Concept id="INSTR_ASSET">
          <common:Name xml:lang="en">Instrument and Assets Classification</common:Name>
        </structure:Concept>
        <structure:Concept id="MATURITY">
          <common:Name xml:lang="en">Original and Residual Maturity</common:Name>
        </structure:Concept>
        <structure:Concept id="ACTIVITY">
          <common:Name xml:lang="en">Activity classification</common:Name>
        </structure:Concept>
        <structure:Concept id="ACTIVITY_TO">
          <common:Name xml:lang="en">Activity classification (input-output industry*industry)</common:Name>
        </structure:Concept>
        <structure:Concept id="PRODUCT">
          <common:Name xml:lang="en">Product classification</common:Name>
        </structure:Concept>
        <structure:Concept id="PRODUCT_TO">
          <common:Name xml:lang="en">Product classification (input-output product*product)</common:Name>
        </structure:Concept>
        <structure:Concept id="EXPENDITURE">
          <common:Name xml:lang="en">Expenditure (COFOG, COICOP, COPP or COPNI)</common:Name>
        </structure:Concept>
        <structure:Concept id="PENSION_FUNDTYPE">
          <common:Name xml:lang="en">Pension Fund Type</common:Name>
        </structure:Concept>
        <structure:Concept id="UNIT_MEASURE">
          <common:Name xml:lang="en">Unit</common:Name>
        </structure:Concept>
        <structure:Concept id="CURRENCY_DENOM">
          <common:Name xml:lang="en">Currency of denomination</common:Name>
        </structure:Concept>
        <structure:Concept id="VALUATION">
          <common:Name xml:lang="en">Valuation</common:Name>
        </structure:Concept>
        <structure:Concept id="PRICES">
          <common:Name xml:lang="en">Prices</common:Name>
        </structure:Concept>
        <structure:Concept id="TRANSFORMATION">
          <common:Name xml:lang="en">Transformation</common:Name>
        </structure:Concept>
        <structure:Concept id="CUST_BREAKDOWN">
          <common:Name xml:lang="en">Custom breakdown codification</common:Name>
        </structure:Concept>
        <structure:Concept id="STO_TO">
          <common:Name xml:lang="en">Stocks, Transactions, Other Flows TO</common:Name>
        </structure:Concept>
        <structure:Concept id="REP_AREA">
          <common:Name xml:lang="en">Reporting area</common:Name>
        </structure:Concept>
        <structure:Concept id="TIME_PERIOD">
          <common:Name xml:lang="en">Time period</common:Name>
        </structure:Concept>
        <structure:Concept id="OBS_VALUE">
          <common:Name xml:lang="en">Observation value</common:Name>
        </structure:Concept>
        <structure:Concept id="REF_YEAR_PRICE">
          <common:Name xml:lang="en">Reference year (price)</common:Name>
        </structure:Concept>
        <structure:Concept id="COLL_PERIOD">
          <common:Name xml:lang="en">Collection period</common:Name>
          <common:Description xml:lang="en">Period in which data was collected</common:Description>
        </structure:Concept>
        <structure:Concept id="EMBARGO_DATE">
          <common:Name xml:lang="en">Embargo date</common:Name>
        </structure:Concept>
        <structure:Concept id="OBS_EDP_WBB">
          <common:Name xml:lang="en">EDP working balance basis</common:Name>
        </structure:Concept>
        <structure:Concept id="GFS_ECOFUNC">
          <common:Name xml:lang="en">GFS economic function</common:Name>
        </structure:Concept>
        <structure:Concept id="GFS_TAXCAT">
          <common:Name xml:lang="en">GFS tax category</common:Name>
        </structure:Concept>
        <structure:Concept id="TABLE_IDENTIFIER">
          <common:Name xml:lang="en">Table identifier</common:Name>
        </structure:Concept>
        <structure:Concept id="REF_PERIOD_DETAIL">
          <common:Name xml:lang="en">Reference period detail [deprecated]</common:Name>
        </structure:Concept>
        <structure:Concept id="REPYEARSTART">
          <common:Name xml:lang="en">Reference year start</common:Name>
        </structure:Concept>
        <structure:Concept id="REPYEAREND">
          <common:Name xml:lang="en">Reference year end</common:Name>
        </structure:Concept>
        <structure:Concept id="COMMENT_DSET">
          <common:Name xml:lang="en">Dataset comment</common:Name>
        </structure:Concept>
        <structure:Concept id="COMMENT_OBS">
          <common:Name xml:lang="en">Comments to the observation value</common:Name>
        </structure:Concept>
        <structure:Concept id="COMMENT_TS">
          <common:Name xml:lang="en">Series comment</common:Name>
        </structure:Concept>
        <structure:Concept id="CONF_STATUS">
          <common:Name xml:lang="en">Confidentiality status</common:Name>
        </structure:Concept>
        <structure:Concept id="DECIMALS">
          <common:Name xml:lang="en">Decimals</common:Name>
        </structure:Concept>
        <structure:Concept id="OBS_STATUS">
          <common:Name xml:lang="en">Observation status</common:Name>
        </structure:Concept>
        <structure:Concept id="TIME_FORMAT">
          <common:Name xml:lang="en">Time format</common:Name>
        </structure:Concept>
        <structure:Concept id="TIME_PER_COLLECT">
          <common:Name xml:lang="en">Time period collection</common:Name>
        </structure:Concept>
        <structure:Concept id="TITLE">
          <common:Name xml:lang="en">Title</common:Name>
        </structure:Concept>
        <structure:Concept id="TITLE_COMPL">
          <common:Name xml:lang="en">Title Complement</common:Name>
        </structure:Concept>
        <structure:Concept id="UNIT_MULT">
          <common:Name xml:lang="en">Unit multiplier</common:Name>
        </structure:Concept>
        <structure:Concept id="LAST_UPDATE">
          <common:Name xml:lang="en">Last Update Date</common:Name>
        </structure:Concept>
        <structure:Concept id="CUST_BREAKDOWN_LB">
          <common:Name xml:lang="en">Label for custom breakdown</common:Name>
        </structure:Concept>
        <structure:Concept id="COMPILING_ORG">
          <common:Name xml:lang="en">Compiling organisation</common:Name>
        </structure:Concept>
        <structure:Concept id="PRE_BREAK_VALUE">
          <common:Name xml:lang="en">Pre-break value</common:Name>
        </structure:Concept>
        <structure:Concept id="DATA_COMP">
          <common:Name xml:lang="en">Underlying compilation</common:Name>
        </structure:Concept>
        <structure:Concept id="CURRENCY">
          <common:Name xml:lang="en">Currency code used for compilation</common:Name>
          <common:Description xml:lang="en">Used to specify the underlying currency if in UNIT_MEASURE e.g. XDC is used</common:Description>
        </structure:Concept>
        <structure:Concept id="DISS_ORG">
          <common:Name xml:lang="en">Dissemination organisation</common:Name>
          <common:Description xml:lang="en">The organisation disseminating the data</common:Description>
        </structure:Concept>
      </structure:ConceptScheme>
      <structure:ConceptScheme id="CS_SEEA" agencyID="ESTAT" version="1.3" isFinal="true">
        <common:Name xml:lang="en">List of concepts for SEEA DSDs</common:Name>
        <structure:Concept id="DEMAND_PROD">
          <common:Name xml:lang="en">Demand or Production</common:Name>
        </structure:Concept>
        <structure:Concept id="ACCOUNTING_ENTRY">
          <common:Name xml:lang="en">Accounting entry</common:Name>
          <common:Description xml:lang="en">Accounting entry</common:Description>
        </structure:Concept>
        <structure:Concept id="COUNTERPART_AREA">
          <common:Name xml:lang="en">Counterpart area</common:Name>
          <common:Description xml:lang="en">Counterpart area</common:Description>
        </structure:Concept>
        <structure:Concept id="INTERACTORS">
          <common:Name xml:lang="en">Units interacting with the environment (e.g. emitting green house gases and air pollutants, suppliers / consumers of energy, water, natural resources)</common:Name>
          <common:Description xml:lang="en">Covers ISIC/NACE, households and Total</common:Description>
        </structure:Concept>
        <structure:Concept id="BRIDGE_ITEMS">
          <common:Name xml:lang="en">Bridging items</common:Name>
          <common:Description xml:lang="en">Items used to bridge for territorial coverage</common:Description>
        </structure:Concept>
        <structure:Concept id="AIRPOL">
          <common:Name xml:lang="en">Air pollutants and greenhouse gasses</common:Name>
          <common:Description xml:lang="en">Air pollutants classification</common:Description>
        </structure:Concept>
        <structure:Concept id="MATERIAL">
          <common:Name xml:lang="en">Materials</common:Name>
          <common:Description xml:lang="en">Materials classification (products, natural inputs, semi-manufactured products, balancing items)</common:Description>
        </structure:Concept>
        <structure:Concept id="WATER_FLOWS">
          <common:Name xml:lang="en">Water flows</common:Name>
          <common:Description xml:lang="en">sources of abstracted water, waste water, return flows of water… (+breakdowns)</common:Description>
        </structure:Concept>
        <structure:Concept id="ENERGY_FLOWS">
          <common:Name xml:lang="en">Energy flows</common:Name>
          <common:Description xml:lang="en">natural energy inputs (broken down), energy products (broken down), residuals (broken down)</common:Description>
        </structure:Concept>
        <structure:Concept id="STO">
          <common:Name xml:lang="en">Stocks, transactions and other flows</common:Name>
          <common:Description xml:lang="en">opening/closing stock + flows as defined in SEEA</common:Description>
        </structure:Concept>
        <structure:Concept id="LAND_COVER">
          <common:Name xml:lang="en">Land cover</common:Name>
        </structure:Concept>
        <structure:Concept id="LAND_COVER_TO">
          <common:Name xml:lang="en">Land cover</common:Name>
        </structure:Concept>
        <structure:Concept id="LAND_USE">
          <common:Name xml:lang="en">Land use</common:Name>
          <common:Description xml:lang="en">forestry, agriculture, aquaculture, not in use…</common:Description>
        </structure:Concept>
        <structure:Concept id="LAND_USE_TO">
          <common:Name xml:lang="en">Land use</common:Name>
          <common:Description xml:lang="en">forestry, agriculture, aquaculture, not in use…</common:Description>
        </structure:Concept>
        <structure:Concept id="UNIT_MEASURE">
          <common:Name xml:lang="en">Unit of measure</common:Name>
          <common:Description xml:lang="en">Unit in which the data values are expressed.</common:Description>
        </structure:Concept>
        <structure:Concept id="PRODUCT">
          <common:Name xml:lang="en">Product</common:Name>
          <common:Description xml:lang="en">CPC</common:Description>
        </structure:Concept>
        <structure:Concept id="SECTOR">
          <common:Name xml:lang="en">Sector</common:Name>
          <common:Description xml:lang="en">Reporting institutional sector</common:Description>
        </structure:Concept>
        <structure:Concept id="FREQ">
          <common:Name xml:lang="en">Frequency of observation</common:Name>
          <common:Description xml:lang="en">Time interval at which observations occur over a given time period.</common:Description>
        </structure:Concept>
        <structure:Concept id="TIME_PERIOD">
          <common:Name xml:lang="en">Time period</common:Name>
          <common:Description xml:lang="en">Timespan or point in time to which the observation actually refers.</common:Description>
        </structure:Concept>
        <structure:Concept id="REF_AREA">
          <common:Name xml:lang="en">Reference area</common:Name>
          <common:Description xml:lang="en">Reporting Country in ISO code (The country, or geographical/political group of countries that the measured economic phenomen on relates to)</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_VALUE">
          <common:Name xml:lang="en">Observation value</common:Name>
          <common:Description xml:lang="en">The value of the observation</common:Description>
        </structure:Concept>
        <structure:Concept id="CONF_STATUS">
          <common:Name xml:lang="en">Confidentiality status</common:Name>
          <common:Description xml:lang="en">Information about the confidentiality status of the object to which this attribute is attached.</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_STATUS_1">
          <common:Name xml:lang="en">Observation status 1</common:Name>
          <common:Description xml:lang="en">Information on the quality of a value or an unusual or missing value.</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_STATUS_2">
          <common:Name xml:lang="en">Observation status 2</common:Name>
          <common:Description xml:lang="en">Information on the quality of a value or an unusual or missing value.</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_STATUS_3">
          <common:Name xml:lang="en">Observation status 3</common:Name>
          <common:Description xml:lang="en">Information on the quality of a value or an unusual or missing value.</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_STATUS_4">
          <common:Name xml:lang="en">Observation status 4</common:Name>
          <common:Description xml:lang="en">Information on the quality of a value or an unusual or missing value.</common:Description>
        </structure:Concept>
        <structure:Concept id="COMMENT_DSET">
          <common:Name xml:lang="en">Comments on dataset level</common:Name>
          <common:Description xml:lang="en">Comments on dataset level</common:Description>
        </structure:Concept>
        <structure:Concept id="COMMENT_OBS">
          <common:Name xml:lang="en">Comments to the observation value</common:Name>
          <common:Description xml:lang="en">Comments to the observation value</common:Description>
        </structure:Concept>
        <structure:Concept id="COMMENT_TS">
          <common:Name xml:lang="en">Detailed description of the group of series</common:Name>
          <common:Description xml:lang="en">Detailed description of the group of series</common:Description>
        </structure:Concept>
        <structure:Concept id="UNIT_MULT">
          <common:Name xml:lang="en">Unit multiplier</common:Name>
        </structure:Concept>
        <structure:Concept id="EMBARGO_TIME">
          <common:Name xml:lang="en">Embargo date and time</common:Name>
        </structure:Concept>
        <structure:Concept id="DECIMALS">
          <common:Name xml:lang="en">Decimals</common:Name>
        </structure:Concept>
        <structure:Concept id="TITLE">
          <common:Name xml:lang="en">Title</common:Name>
        </structure:Concept>
        <structure:Concept id="TITLE_COMPL">
          <common:Name xml:lang="en">Title Complement</common:Name>
        </structure:Concept>
        <structure:Concept id="LAST_UPDATE">
          <common:Name xml:lang="en">Data Update – Last Update</common:Name>
        </structure:Concept>
        <structure:Concept id="COMPILING_ORG">
          <common:Name xml:lang="en">Compiling organisation</common:Name>
        </structure:Concept>
        <structure:Concept id="PRE_BREAK_VALUE">
          <common:Name xml:lang="en">Pre-break value</common:Name>
        </structure:Concept>
        <structure:Concept id="DISS_ORG">
          <common:Name xml:lang="en">Dissemination organisation</common:Name>
          <common:Description xml:lang="en">The organisation disseminating the data</common:Description>
        </structure:Concept>
      </structure:ConceptScheme>
      <structure:ConceptScheme id="MDG_DATA_CONCEPTS" agencyID="IAEG" version="1.0" isFinal="true">
        <common:Name xml:lang="en">Data Concepts for MDG Indicators</common:Name>
        <structure:Concept id="AGE_GROUP">
          <common:Name xml:lang="en">Age group</common:Name>
          <common:Description xml:lang="en">Age - or age range - of the individuals the observation refers to.</common:Description>
        </structure:Concept>
        <structure:Concept id="FOOTNOTES">
          <common:Name xml:lang="en">Footnotes</common:Name>
          <common:Description xml:lang="en">Additional information on specific aspects of each observation, such as how the observation was computed/estimated or details that could affect the comparability of this data point with others in a time series.</common:Description>
        </structure:Concept>
        <structure:Concept id="FREQ">
          <common:Name xml:lang="en">Frequency</common:Name>
          <common:Description xml:lang="en">Indicates rate of recurrence at which observations occur (e.g. monthly, yearly, biannually, etc.).</common:Description>
        </structure:Concept>
        <structure:Concept id="LOCATION">
          <common:Name xml:lang="en">Location</common:Name>
          <common:Description xml:lang="en">Refers to a disaggregation within the Reference Area the data alludes; normally National (total), Urban or Rural - although additional disaggregations are possible within an area (e.g. subUrban).</common:Description>
        </structure:Concept>
        <structure:Concept id="NATURE">
          <common:Name xml:lang="en">Nature of data points</common:Name>
          <common:Description xml:lang="en">Information on the production and dissemination of the data (e.g.: if the figure has been produced and disseminated by the country, estimated by international agencies, etc.)</common:Description>
        </structure:Concept>
        <structure:Concept id="REF_AREA">
          <common:Name xml:lang="en">Reference Area</common:Name>
          <common:Description xml:lang="en">Reference Area: Specific areas (e.g. Country, Regional Grouping, etc)  the observed values refer to. Reference areas can be determined according to different criteria (e.g.: geographical, economic, etc.).</common:Description>
        </structure:Concept>
        <structure:Concept id="SERIES">
          <common:Name xml:lang="en">Series</common:Name>
          <common:Description xml:lang="en">The phenomenon or phenomena to be measured in the data set. The word SERIES is used for consistency with the term used in the MDG Database. SERIES are all the official MDG series and background series currently in the MDG Database.</common:Description>
        </structure:Concept>
        <structure:Concept id="SEX">
          <common:Name xml:lang="en">Sex</common:Name>
          <common:Description xml:lang="en">Gender condition: male or female. This dimension applies only if data can be dissaggregated by sex.</common:Description>
        </structure:Concept>
        <structure:Concept id="SOURCE_DETAIL">
          <common:Name xml:lang="en">Source details</common:Name>
          <common:Description xml:lang="en">Information on the name and specific details of each observation's data source. Both the sources for the numerator and denominator could be specified here.</common:Description>
        </structure:Concept>
        <structure:Concept id="SOURCE_TYPE">
          <common:Name xml:lang="en">Source type</common:Name>
          <common:Description xml:lang="en">Type of data source: survey, administrative records, census or other. Details about the source, if available, could be provided in the free-text attribute SOURCE_DETAIL.</common:Description>
        </structure:Concept>
        <structure:Concept id="TIME_DETAIL">
          <common:Name xml:lang="en">Time period details</common:Name>
          <common:Description xml:lang="en">When TIME_PERIOD refers to a date range, this attribute is used to provide METADATA on the actual range the observation refers to (e.g. for period '2001-2003' TIME_PERIOD would be 2002 but the actual dates --2001-2003-- would be expressed here).</common:Description>
        </structure:Concept>
        <structure:Concept id="TIME_PERIOD">
          <common:Name xml:lang="en">Time period</common:Name>
          <common:Description xml:lang="en">Reference date - or date range - the observed value refers to (usually different from the dates of data production or dissemination). For MDG data exchange it is usually expressed as a four-digit year (e.g.: 1995) so, if the observation refers to a period of time (range), details about such period should be specified in the attribute TIME_DETAIL</common:Description>
        </structure:Concept>
        <structure:Concept id="UNIT">
          <common:Name xml:lang="en">Units of measurement</common:Name>
          <common:Description xml:lang="en">Dimension by which the series are described (e.g.: percentage, USD, etc.)</common:Description>
        </structure:Concept>
        <structure:Concept id="UNIT_MULT">
          <common:Name xml:lang="en">Unit multiplier</common:Name>
          <common:Description xml:lang="en">Exponent in base 10 that multiplied by the observation numeric value gives the result expressed in the unit of measure.</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_VALUE">
          <common:Name xml:lang="en">Observation Value</common:Name>
          <common:Description xml:lang="en">Observation value</common:Description>
        </structure:Concept>
      </structure:ConceptScheme>
      <structure:ConceptScheme id="SDG_CONCEPTS" agencyID="IAEG-SDGs" version="1.0" isFinal="true">
        <common:Name xml:lang="en">SDG Concept Scheme</common:Name>
        <common:Description xml:lang="en">Concept Scheme for SDG Indicators</common:Description>
        <structure:Concept id="FREQ">
          <common:Name xml:lang="en">Frequency of observation</common:Name>
          <common:Description xml:lang="en">Time interval at which observations occur over a given time period.</common:Description>
        </structure:Concept>
        <structure:Concept id="REF_AREA">
          <common:Name xml:lang="en">Reference area</common:Name>
          <common:Description xml:lang="en">Country or geographic area to which the measured statistical phenomenon relates.</common:Description>
        </structure:Concept>
        <structure:Concept id="SEX">
          <common:Name xml:lang="en">Sex</common:Name>
          <common:Description xml:lang="en">State of being male or female.</common:Description>
        </structure:Concept>
        <structure:Concept id="AGE">
          <common:Name xml:lang="en">Age</common:Name>
          <common:Description xml:lang="en">Length of time that an entity has lived or existed.</common:Description>
        </structure:Concept>
        <structure:Concept id="EDUCATION_LEV">
          <common:Name xml:lang="en">Education level</common:Name>
          <common:Description xml:lang="en">Highest level of an educational programme the person has successfully completed.</common:Description>
        </structure:Concept>
        <structure:Concept id="OCCUPATION">
          <common:Name xml:lang="en">Occupation</common:Name>
          <common:Description xml:lang="en">Job or position held by an individual who performs a set of tasks and duties.</common:Description>
        </structure:Concept>
        <structure:Concept id="TIME_PERIOD">
          <common:Name xml:lang="en">Time period</common:Name>
          <common:Description xml:lang="en">Timespan or point in time to which the observation actually refers.</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_STATUS">
          <common:Name xml:lang="en">Observation status</common:Name>
          <common:Description xml:lang="en">Information on the quality of a value or an unusual or missing value.</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_VALUE">
          <common:Name xml:lang="en">Observation value</common:Name>
          <common:Description xml:lang="en">Value of a particular variable.</common:Description>
        </structure:Concept>
        <structure:Concept id="UNIT_MULT">
          <common:Name xml:lang="en">Unit multiplier</common:Name>
          <common:Description xml:lang="en">Exponent in base 10 specified so that multiplying the observation numeric values by 10^UNIT_MULT gives a value expressed in the unit of measure.</common:Description>
        </structure:Concept>
        <structure:Concept id="UNIT_MEASURE">
          <common:Name xml:lang="en">Unit of measure</common:Name>
          <common:Description xml:lang="en">Unit in which the data values are expressed.</common:Description>
        </structure:Concept>
        <structure:Concept id="BASE_PER">
          <common:Name xml:lang="en">Base period</common:Name>
          <common:Description xml:lang="en">Period of time used as the base of an index number, or to which a constant series refers.</common:Description>
        </structure:Concept>
        <structure:Concept id="SERIES">
          <common:Name xml:lang="en">SDG Series</common:Name>
          <common:Description xml:lang="en">SDG Indicator or Series. Uses the CETS convention for encoding.</common:Description>
        </structure:Concept>
        <structure:Concept id="URBANISATION">
          <common:Name xml:lang="en">Degree of urbanisation</common:Name>
          <common:Description xml:lang="en">Refers to Total, Urban, or Rural location.</common:Description>
        </structure:Concept>
        <structure:Concept id="INCOME_WEALTH_QUANTILE">
          <common:Name xml:lang="en">Income or wealth quantile</common:Name>
          <common:Description xml:lang="en">Income or wealth quantile</common:Description>
        </structure:Concept>
        <structure:Concept id="CUST_BREAKDOWN">
          <common:Name xml:lang="en">Custom Breakdown</common:Name>
          <common:Description xml:lang="en">Used to represent user-defined breakdowns.</common:Description>
        </structure:Concept>
        <structure:Concept id="COMPOSITE_BREAKDOWN">
          <common:Name xml:lang="en">Composite breakdown</common:Name>
          <common:Description xml:lang="en">Represents an amalgamation of infrequently used breakdowns.</common:Description>
        </structure:Concept>
        <structure:Concept id="DISABILITY_STATUS">
          <common:Name xml:lang="en">Disability status</common:Name>
          <common:Description xml:lang="en">Represents a person's disability status.</common:Description>
        </structure:Concept>
        <structure:Concept id="NATURE">
          <common:Name xml:lang="en">Nature of data points</common:Name>
          <common:Description xml:lang="en">Information on the production and dissemination of the data (e.g.: if the figure has been produced by the country, estimated by an international agency, etc.)</common:Description>
        </structure:Concept>
        <structure:Concept id="TIME_DETAIL">
          <common:Name xml:lang="en">Time period details</common:Name>
          <common:Description xml:lang="en">When TIME_PERIOD refers to a date range, this attribute is used to provide metadata on the actual range the observation refers to (e.g. for period '2001-2003' TIME_PERIOD would be 2002 but the actual dates --2001-2003-- would be expressed here).</common:Description>
        </structure:Concept>
        <structure:Concept id="COMMENT_OBS">
          <common:Name xml:lang="en">Observation-level footnotes</common:Name>
          <common:Description xml:lang="en">Additional information on specific aspects of each observation, such as how the observation was computed/estimated or details that could affect the comparability of this data point with others in a time series.</common:Description>
        </structure:Concept>
        <structure:Concept id="TIME_COVERAGE">
          <common:Name xml:lang="en">Time period or range (ISO8601)</common:Name>
          <common:Description xml:lang="en">ISO8601 representation of the actual time interval to which the observation refers</common:Description>
        </structure:Concept>
        <structure:Concept id="UPPER_BOUND">
          <common:Name xml:lang="en">Upper bound value</common:Name>
          <common:Description xml:lang="en">Upper bound value for the indicator or series.</common:Description>
        </structure:Concept>
        <structure:Concept id="LOWER_BOUND">
          <common:Name xml:lang="en">Lower bound value</common:Name>
          <common:Description xml:lang="en">Lower bound value for the indicator or series.</common:Description>
        </structure:Concept>
        <structure:Concept id="REPORTING_TYPE">
          <common:Name xml:lang="en">Reporting type</common:Name>
          <common:Description xml:lang="en">Represents whether the official SDG series is reported by a national, regional, or international agency.</common:Description>
        </structure:Concept>
        <structure:Concept id="SOURCE_DETAIL">
          <common:Name xml:lang="en">Source details</common:Name>
          <common:Description xml:lang="en">Information on the name and specific details of each observation's data source. Both the sources for the numerator and denominator could be specified here.</common:Description>
        </structure:Concept>
        <structure:Concept id="ACTIVITY">
          <common:Name xml:lang="en">Economic activity</common:Name>
          <common:Description xml:lang="en">Classification of economic activities</common:Description>
        </structure:Concept>
        <structure:Concept id="COMMENT_TS">
          <common:Name xml:lang="en">Time series-level footnotes</common:Name>
          <common:Description xml:lang="en">Additional information on specific aspects applicable to all observations in the time series.</common:Description>
        </structure:Concept>
        <structure:Concept id="GEO_INFO_URL">
          <common:Name xml:lang="en">Geoinformation URL</common:Name>
          <common:Description xml:lang="en">Location of geoinformation</common:Description>
        </structure:Concept>
        <structure:Concept id="GEO_INFO_TYPE">
          <common:Name xml:lang="en">Geoinformation type</common:Name>
          <common:Description xml:lang="en">Type of geionformation provided in attribute GEO_INFO_URL</common:Description>
        </structure:Concept>
        <structure:Concept id="CUST_BREAKDOWN_LB">
          <common:Name xml:lang="en">Label for custom breakdown</common:Name>
          <common:Description xml:lang="en">Information provided in the CUST_BREAKDOWN dimension, when applicable</common:Description>
        </structure:Concept>
        <structure:Concept id="PRODUCT">
          <common:Name xml:lang="en">Type of product</common:Name>
          <common:Description xml:lang="en">Type of product</common:Description>
        </structure:Concept>
        <structure:Concept id="DATA_LAST_UPDATE">
          <common:Name xml:lang="en">Date of the most recent change of the series.</common:Name>
          <common:Description xml:lang="en">Date of the most recent change of the series.</common:Description>
        </structure:Concept>
      </structure:ConceptScheme>
      <structure:ConceptScheme id="CS_ENERGY" agencyID="UNSD" version="1.1" isFinal="true">
        <common:Name xml:lang="en">Energy concept scheme</common:Name>
        <structure:Concept id="FREQ">
          <common:Name xml:lang="en">Frequency</common:Name>
        </structure:Concept>
        <structure:Concept id="REF_AREA">
          <common:Name xml:lang="en">Reference Area</common:Name>
        </structure:Concept>
        <structure:Concept id="COMMODITY">
          <common:Name xml:lang="en">Commodity</common:Name>
        </structure:Concept>
        <structure:Concept id="TRANSACTION">
          <common:Name xml:lang="en">Transaction</common:Name>
        </structure:Concept>
        <structure:Concept id="TIME_PERIOD">
          <common:Name xml:lang="en">Time period</common:Name>
        </structure:Concept>
        <structure:Concept id="OBS_VALUE">
          <common:Name xml:lang="en">Observation value</common:Name>
        </structure:Concept>
        <structure:Concept id="UNIT_MULT">
          <common:Name xml:lang="en">Unit Multiplier</common:Name>
        </structure:Concept>
        <structure:Concept id="UNIT_MEASURE">
          <common:Name xml:lang="en">Unit of Measure</common:Name>
        </structure:Concept>
        <structure:Concept id="OBS_STATUS">
          <common:Name xml:lang="en">Observation status</common:Name>
        </structure:Concept>
        <structure:Concept id="CONVERSION_FACTOR">
          <common:Name xml:lang="en">Conversion factor</common:Name>
        </structure:Concept>
      </structure:ConceptScheme>
      <structure:ConceptScheme id="CS_ENERGY_BALANCE_UNDATA" agencyID="UNSD" version="1.0" isFinal="true">
        <common:Name xml:lang="en">Energy Balance Concept Scheme</common:Name>
        <structure:Concept id="COMMODITY">
          <common:Name xml:lang="en">Commodity</common:Name>
        </structure:Concept>
        <structure:Concept id="TRANSACTIONS">
          <common:Name xml:lang="en">Transactions</common:Name>
        </structure:Concept>
        <structure:Concept id="UNIT">
          <common:Name xml:lang="en">Unit</common:Name>
        </structure:Concept>
        <structure:Concept id="REFAREA">
          <common:Name xml:lang="en">Reference Area</common:Name>
        </structure:Concept>
        <structure:Concept id="TIME_PERIOD">
          <common:Name xml:lang="en">Time Period</common:Name>
        </structure:Concept>
        <structure:Concept id="OBSERVATION">
          <common:Name xml:lang="en">Observation</common:Name>
        </structure:Concept>
        <structure:Concept id="UNIT_MULTIPLIER">
          <common:Name xml:lang="en">Unit Multiplier</common:Name>
        </structure:Concept>
        <structure:Concept id="FOOTNOTES">
          <common:Name xml:lang="en">Footnotes</common:Name>
        </structure:Concept>
        <structure:Concept id="ESTIMATE">
          <common:Name xml:lang="en">Estimate</common:Name>
        </structure:Concept>
      </structure:ConceptScheme>
      <structure:ConceptScheme id="CS_UNDATA" agencyID="UNSD" version="1.0" isFinal="true">
        <common:Name xml:lang="en">UNData Core Concept Scheme</common:Name>
        <common:Description xml:lang="en">Core UNData cross-domain concepts</common:Description>
        <structure:Concept id="DATASET_NAME">
          <common:Name xml:lang="en">Dataset Name</common:Name>
        </structure:Concept>
        <structure:Concept id="DATASET_SOURCE">
          <common:Name xml:lang="en">Dataset Source</common:Name>
        </structure:Concept>
        <structure:Concept id="DATASET_DESC">
          <common:Name xml:lang="en">Dataset Description</common:Name>
        </structure:Concept>
        <structure:Concept id="UNDATA_LASTUPDATE">
          <common:Name xml:lang="en">UNData Last Update</common:Name>
        </structure:Concept>
        <structure:Concept id="UNDATA_NEXTUPDATE">
          <common:Name xml:lang="en">UNData Next Update</common:Name>
        </structure:Concept>
        <structure:Concept id="INDICATOR">
          <common:Name xml:lang="en">Indicator</common:Name>
        </structure:Concept>
        <structure:Concept id="METADATA">
          <common:Name xml:lang="en">Metadata</common:Name>
        </structure:Concept>
        <structure:Concept id="FREQ">
          <common:Name xml:lang="en">Frequency</common:Name>
          <common:Description xml:lang="en">The time interval at which observations occur over a given time period.</common:Description>
        </structure:Concept>
        <structure:Concept id="UNIT">
          <common:Name xml:lang="en">Unit</common:Name>
        </structure:Concept>
        <structure:Concept id="UNIT_MULT">
          <common:Name xml:lang="en">Unit Multiplier</common:Name>
        </structure:Concept>
        <structure:Concept id="AGE">
          <common:Name xml:lang="en">Age</common:Name>
        </structure:Concept>
        <structure:Concept id="SEX">
          <common:Name xml:lang="en">Sex</common:Name>
        </structure:Concept>
        <structure:Concept id="LOCATION">
          <common:Name xml:lang="en">Location</common:Name>
        </structure:Concept>
        <structure:Concept id="REF_AREA">
          <common:Name xml:lang="en">Reference Area</common:Name>
        </structure:Concept>
        <structure:Concept id="TIME_PERIOD">
          <common:Name xml:lang="en">Time Period</common:Name>
          <common:Description xml:lang="en">Reference date - or date range - the observed value refers to (usually different from the dates of data production or dissemination). For MDG data exchange it is usually expressed as a four-digit year (e.g.: 1995) so, if the observation refers to a period of time (range), details about such period should be specified in the attribute TIME_DETAIL</common:Description>
        </structure:Concept>
        <structure:Concept id="TIME_SPAN">
          <common:Name xml:lang="en">Time Span</common:Name>
          <common:Description xml:lang="en">Specifies time range for series describing multiple year intervals.</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_VALUE">
          <common:Name xml:lang="en">Observation Value</common:Name>
        </structure:Concept>
        <structure:Concept id="FOOTNOTES">
          <common:Name xml:lang="en">Footnotes</common:Name>
          <common:Description xml:lang="en">Additional information on specific aspects of each observation, such as how the observation was computed/estimated or details that could affect the comparability of this data point with others in a time series.</common:Description>
        </structure:Concept>
      </structure:ConceptScheme>
      <structure:ConceptScheme id="CS_WPP_UNDATA" agencyID="UNSD" version="1.0" isFinal="true">
        <common:Name xml:lang="en">WPP Concept Scheme</common:Name>
        <common:Description xml:lang="en">World Population Prospects Concept Scheme</common:Description>
        <structure:Concept id="SCENARIO">
          <common:Name xml:lang="en">Scenario</common:Name>
          <common:Description xml:lang="en">Projection scenarios in the context of population cohort-component population projections are based on a specific set of assumptions about future trends in respect to each demographic component (i.e., fertility, mortality, international net migration).</common:Description>
        </structure:Concept>
      </structure:ConceptScheme>
      <structure:ConceptScheme id="CS_WDI" agencyID="WB" version="1.0" isFinal="true">
        <common:Name xml:lang="en">WDI Concept Scheme</common:Name>
        <common:Description xml:lang="en">WDI Concept Scheme</common:Description>
        <structure:Concept id="FREQ">
          <common:Name xml:lang="en">Frequency</common:Name>
          <common:Description xml:lang="en">Indicates rate of recurrence at which observations
        occur (e.g. monthly, yearly, biannually, etc.).</common:Description>
        </structure:Concept>
        <structure:Concept id="REF_AREA">
          <common:Name xml:lang="en">Reference Area</common:Name>
          <common:Description xml:lang="en">Reference Area: Specific areas (e.g. Country,
        Regional Grouping, etc) the observed values refer to. Reference areas can be
        determined according to different criteria (e.g.: geographical, economic,
        etc.).</common:Description>
        </structure:Concept>
        <structure:Concept id="SERIES">
          <common:Name xml:lang="en">Series</common:Name>
          <common:Description xml:lang="en">The phenomenon or phenomena to be measured in the
        data set. The word SERIES is used for consistency with the term used in the WDI
        Database. SERIES are 54 key indicators from WDI</common:Description>
        </structure:Concept>
        <structure:Concept id="TIME_PERIOD">
          <common:Name xml:lang="en">Time period</common:Name>
          <common:Description xml:lang="en">Reference date - or date range - the observed value
        refers to (usually different from the dates of data production or dissemination).</common:Description>
        </structure:Concept>
        <structure:Concept id="UNIT_MULT">
          <common:Name xml:lang="en">Unit multiplier</common:Name>
          <common:Description xml:lang="en">Exponent in base 10 that multiplied by the
        observation numeric value gives the result expressed in the unit of
        measure.</common:Description>
        </structure:Concept>
        <structure:Concept id="OBS_VALUE">
          <common:Name xml:lang="en">Observation Value</common:Name>
          <common:Description xml:lang="en">Observation value</common:Description>
        </structure:Concept>
      </structure:ConceptScheme>
    </structure:Concepts>
  </message:Structures>
</message:Structure>