a    Projected estimate (medium fertility variant).
b    2015
c    Data refers to the urban agglomeration.
d    2017
e    2016
f    Estimate.
g    Break in the time series.
h    2014
i    Areas not elsewhere specified.
j    Data refers to a 5-year period preceding the reference year.
k    Refers to foreign citizens.
l    Including refugees.
m    Data as at the end of December.
n    2004
o    2009
p    2001
q    2008
r    2011
s    2013
t    Including nationals residing abroad.
u    2012