a    2017
b    2018
c    Including mining and quarrying.
d    Data classified according to ISIC Rev. 3.
e    Break in the time series.
f    2000
g    Population aged 14 years and over.
h    2011
i    2001
j    Resident population (de jure).
k    Calculated by the UN Statistics Division from national indices.
l    Estimate.
m    2016
n    Areas not elsewhere specified.
o    Data refers to a 5-year period preceding the reference year.
p    2015
q    Data as at the end of December.
r    2014
s    2012
t    2004
u    Arrivals by air.