a    2017
b    2018
c    2019
d    Data classified according to ISIC Rev. 4.
e    Excludes publishing activities. Includes irrigation and canals.
f    Excludes repair of personal and household goods.
g    Excludes computer and related activities and radio/TV activities.
h    Estimate.
i    2016
j    Data refers to a 5-year period preceding the reference year.
k    Refers to foreign citizens.
l    Break in the time series.
m    Data revision.
n    2009
o    2008
p    2014
q    2013
r    Data are as at 1 January of reporting year.
s    Population aged 15 years and over.
t    Arrivals by air.