Footnotes  
a    2017
b    Turkmenistan New Manat.
c    UN operational exchange rate.
d    2018
e    Estimate.
f    2016
g    Data refers to a 5-year period preceding the reference year.
h    2015
i    Data as at the end of December.
j    2002
k    2014
l    2012
m    2006
n    2000
o    2004
p    2007