a    Projected estimate (medium fertility variant).
b    2015
c    African Financial Community (CFA) Franc, Bank of Central African States (BEAC).
d    2017
e    2016
f    Data classified according to ISIC Rev. 4.
g    Estimate.
h    Data classified according to ISIC Rev. 3.
i    Country data supplemented with data from the Observatoire Economique et Statistique d’Afrique Subsaharienne (Afristat).
j    Data refers to manufacturing and utilities only.
k    2012
l    Break in the time series.
m    Data refers to a 5-year period preceding the reference year.
n    Data as at the end of December.
o    2013
p    2009
q    2003
r    2004
s    2014