a    2017
b    African Financial Community (CFA) Franc, Bank of Central African States (BEAC).
c    2018
d    Estimate.
e    Libreville and Owendo.
f    African population.
g    Provisional data.
h    2016
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    2015
n    Data refers to a 5-year period preceding the reference year.
o    Refers to foreign citizens.
p    Data as at the end of December.
q    2004
r    2000
s    2014
t    2003
u    2009
v    Arrivals of non-resident tourists at Libreville airport.