a    Inland waters include the reservoirs.
b    2017
c    2019
d    2018
e    Excluding mining and quarrying.
f    Includes waste management.
g    Estimate.
h    Calculated by the UN Statistics Division from national indices.
i    2016
j    Data refers to a 5-year period preceding the reference year.
k    Data as at the end of December.
l    Population aged 3 years and over.
m    Partial data.
n    Does not include other non-residents namely workers, students, etc.