a    2017
b    Data refers to the Governorates of Capital, Hawalli, Al-Farwaniya and Mubarak Al-Kabeer.
c    2018
d    Estimate.
e    Provisional data.
f    2016
g    Data classified according to ISIC Rev. 3.
h    2013
i    Areas not elsewhere specified.
j    Data refers to a 5-year period preceding the reference year.
k    2015
l    Including refugees.
m    Refers to foreign citizens.
n    Data as at the end of December.
o    2006
p    2004
q    2012
r    Population aged 12 to 75 years.
s    Partial data.
t    Government only.
u    Excluding private non-profit.
v    Excluding business enterprise.
w    2014
x    The data for crude oil production include 50 per cent of the output of the Neutral Zone.