a    2017
b    Estimates should be viewed with caution as these are derived from scarce data.
c    Excluding Syrian refugees.
d    2018
e    Data classified according to ISIC Rev. 4.
f    Estimate.
g    Provisional data.
h    2016
i    Data refers to a 5-year period preceding the reference year.
j    2015
k    Including refugees.
l    Data as at the end of December.
m    2001
n    2013
o    2014
p    Population aged 6 years and over.
q    Population aged 15 years and over.
r    2004
s    Excluding the Lebanon, Syria and Palestine nationalities.