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    Calculated by the UN Statistics Division from national indices.
j    2016
k    Data refers to a 5-year period preceding the reference year.
l    Data as at the end of December.
m    2005
n    Data are as at 1 January of reporting year.
o    Population aged 10 years and over.
p    Higher Education only.
q    Partial data.
r    2011
s    Non-resident tourists staying in hotels and similar establishments.