a    Projected estimate (medium fertility variant).
b    2015.
c    2016.
d    Estimate.
e    Libreville
f    African population.
g    2013.
h    2014.
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    2003.
s    Includes inactive subscriptions.
t    2009.
u    Arrivals of non-resident tourists at Libreville airport.