a    2017
b    De jure population.
c    2016
d    2018
e    Data classified according to ISIC Rev. 4.
f    Population aged 15 to 64 years.
g    2013
h    Data refers to a 5-year period preceding the reference year.
i    2015
j    2012
k    Data as at the end of December.
l    2004
m    2008
n    2011
o    Estimate.
p    2014
q    Excluding long term tourists on campgrounds and in holiday flats.