a    Projected estimate (medium fertility variant).
b    2015
c    Data refers to the Governorates of Capital, Hawalli, Al-Farwaniya and Mubarak Al-Kabeer.
d    2017
e    2016
f    Estimate.
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    Refers to foreign citizens.
l    Including refugees.
m    Data as at the end of December.
n    2006
o    2004
p    2012
q    Partial data.
r    Government only.
s    Break in the time series.
t    Excluding private non-profit.
u    Excluding business enterprise.
v    2014
w    The data for crude oil production include 50 per cent of the output of the Neutral Zone.