a    Projected estimate (medium fertility variant).
b    2015.
c    Population statistics are compiled from registers.
d    De jure population.
e    2016.
f    2014.
g    Data classified according to ISIC Rev. 4.
h    Index base: 2001=100.
i    Data refers to a 5-year period preceding the reference year.
j    2012.
k    Refers to foreign citizens.
l    2003.
m    2009.
n    2004.
o    2011.
p    Estimate.
q    Break in the time series.