a    Projected estimate (medium fertility variant).
b    Calculated by the United Nations Statistics Division.
c    2015
d    2016
e    Estimate.
f    2017
g    Data refers to a 5-year period preceding the reference year.
h    Including Sudan.
i    Data is for 2015, or latest available data from 2010 onwards.
j    2014
k    Including regional aid disbursements in addition to the disbursements made to individual countries and areas.