a    2017
b    Refers to the urban area of the municipality of Al-Manamah.
c    2018
d    At producers' prices.
e    Estimate.
f    Calculated by the UN Statistics Division from national indices.
g    2016
h    Data classified according to ISIC Rev. 3.
i    2014
j    Areas not elsewhere specified.
k    Data refers to a 5-year period preceding the reference year.
l    2015
m    Refers to foreign citizens.
n    Data as at the end of December.
o    2008
p    2006
q    2004
r    Excluding nationals residing abroad.
s    Break in the time series.