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    Estimate.
g    Brazzaville
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    2009
l    Data refers to a 5-year period preceding the reference year.
m    Data as at the end of December.
n    2004
o    2007
p    2012
q    2003
r    2013
s    2014
t    Including nationals residing abroad.