Footnotes  
a    2017
b    African Financial Community (CFA) Franc, Central Bank of West African States (BCEAO).
c    2018
d    Estimate.
e    Ouagadougou
f    2016
g    Data refers to a 5-year period preceding the reference year.
h    2015
i    Including refugees.
j    Data as at the end of December.
k    2004
l    Partial data.
m    2009
n    Break in the time series.
o    Excluding business enterprise.
p    2014