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    Libreville and Owendo.
h    African population.
i    Data classified according to ISIC Rev. 3.
j    Country data supplemented with data from the Observatoire Economique et Statistique d’Afrique Subsaharienne (Afristat).
k    Data refers to manufacturing and utilities only.
l    2011
m    Data refers to a 5-year period preceding the reference year.
n    Refers to foreign citizens.
o    Data as at the end of December.
p    2004
q    2000
r    2014
s    2003
t    2009
u    Arrivals of non-resident tourists at Libreville airport.