Footnotes  
a    2017
b    Refers to the population of the "cercle".
c    2018
d    Estimate.
e    2016
f    Data refers to a 5-year period preceding the reference year.
g    2015
h    Including refugees.
i    Data as at the end of December.
j    2006
k    2014
l    2009
m    2011
n    2004
o    2013