a    Projected estimate (medium fertility variant).
b    2015
c    2017
d    2016
e    Data classified according to ISIC Rev. 4.
f    Excluding some areas.
g    Excluding the institutional population.
h    2011
i    Break in the time series.
j    Calculated by the Statistics Division of the United Nations from national indices.
k    Estimate.
l    Data refers to a 5-year period preceding the reference year.
m    2012
n    2003
o    2006
p    2004
q    2014