a    2017
b    2018
c    Data classified according to ISIC Rev. 4.
d    Estimate.
e    Calculated by the UN Statistics Division from national indices.
f    2016
g    Excluding water and waste management.
h    2014
i    Data refers to a 5-year period preceding the reference year.
j    2015
k    Data as at the end of December.
l    Health expenditure data do not include funds from foreign origin flowing in the health financing system.
m    2013
n    Population aged 16 to 74 years.
o    2004