a    Projected estimate (medium fertility variant).
b    2015
c    De jure population.
d    Population statistics are compiled from registers.
e    2016
f    2017
g    Data classified according to ISIC Rev. 4.
h    Calculated by the Statistics Division of the United Nations from national indices.
i    Estimate.
j    Data refers to a 5-year period preceding the reference year.
k    2012
l    Refers to foreign citizens.
m    2003
n    2004
o    2008
p    2011
q    2014
r    Break in the time series.