a    Projected estimate (medium fertility variant).
b    2019
c    Data refers to the urban agglomeration.
d    2020
e    Estimate.
f    2014
g    2016
h    Data refers to a 5-year period preceding the reference year.
i    Refers to foreign citizens.
j    Including refugees.
k    Data as at the end of December.
l    2009
m    2008
n    2013
o    Data are as at 1 January of reporting year.
p    Corresponds to the composition of the House of Representatives elected in 2003.
q    2017
r    2018
s    Including nationals residing abroad.