a    Projected estimate (medium fertility variant).
b    2019
c    2018
d    2020
e    Estimate.
f    Calculated by the UN Statistics Division from national indices.
g    Data refers to a 5-year period preceding the reference year.
h    Including refugees.
i    Data as at the end of December.
j    2012
k    2009
l    2008
m    Data are as at 1 January of reporting year.
n    2017
o    2005
p    2013