a    Projected estimate (medium fertility variant).
b    2015
c    De jure population.
d    2016
e    2017
f    Data classified according to ISIC Rev. 3.
g    2001
h    2006
i    Population aged 15 to 64 years.
j    Break in the time series.
k    2013
l    Population aged 16 years and over.
m    2011
n    Index base: 2000=100.
o    2014
p    Data refers to a 5-year period preceding the reference year.
q    2009
r    Estimate.