a    Including Canary Islands, Ceuta and Melilla.
b    Projected estimate (medium fertility variant).
c    2015.
d    2016.
e    Data classified according to ISIC Rev. 4.
f    Estimate.
g    Index base: 2001=100.
h    Break in the time series.
i    2014.
j    Excluding water and waste management.
k    Data refers to a 5-year period preceding the reference year.
l    Data as at the end of December.
m    Users in the last 12 months.
n    Population aged 16 to 74 years.
o    Population aged 10 years and over.
p    2004.
q    Data include the Canary Islands.
r    Development Assistance Committee member (OECD)
s    Provisional data.