a    2017
b    Population statistics are compiled from registers.
c    De jure population.
d    2016
e    2018
f    Population aged 15 to 64 years.
g    Nationals, residents.
h    2011
i    2006
j    Population aged 18 to 64 years.
k    Break in the time series.
l    2013
m    Estimate.
n    Areas not elsewhere specified.
o    Data refers to a 5-year period preceding the reference year.
p    2015
q    2014
r    Data refers to a 5-year period up to and including the reference year.
s    2004