a    2017
b    De jure population.
c    Population statistics are compiled from registers.
d    2016
e    2018
f    2019
g    Data classified according to ISIC Rev. 4.
h    Excludes publishing activities. Includes irrigation and canals.
i    Excludes repair of personal and household goods.
j    Excludes computer and related activities and radio/TV activities.
k    Calculated by the UN Statistics Division from national indices.
l    Estimate.
m    Data refers to a 5-year period preceding the reference year.
n    2012
o    Refers to foreign citizens.
p    2009
q    Data are as at 1 January of reporting year.
r    Break in the time series.