Footnotes  
a    2017
b    2018
c    Data classified according to ISIC Rev. 4.
d    Estimate.
e    2016
f    Data refers to a 5-year period preceding the reference year.
g    2015
h    Data as at the end of December.
i    2004
j    2009
k    2011
l    Break in the time series.
m    Population aged 12 years and over.
n    2014
o    Including nationals residing abroad.