a    2017
b    Refers to the functional urban area.
c    2019
d    2018
e    Data classified according to ISIC Rev. 4.
f    Excludes publishing activities. Includes irrigation and canals.
g    Excludes computer and related activities and radio/TV activities.
h    Excludes repair of personal and household goods.
i    Estimate.
j    2016
k    Merchandise imports data follows special trade system up to 2007.
l    Data refers to a 5-year period preceding the reference year.
m    Including refugees.
n    Data as at the end of December.
o    Provisional data.
p    Data are as at 1 January of reporting year.
q    Population aged 5 years and over.
r    Break in the time series.
s    Partial data.
t    2009
u    2013