a    Land area only.
b    2017
c    2018
d    Estimate.
e    Index base: fiscal (solar) year 2016 (21 March 2016 - 20 March 2017)=100.
f    2016
g    Year ending 20 March of the year stated.
h    Data include oil and gas. The value of oil exports and total exports are rough estimates based on information published in various petroleum industry journals.
i    2000
j    Europe not elsewhere specified.
k    Data refers to a 5-year period preceding the reference year.
l    2015
m    Including refugees.
n    Data as at the end of December.
o    Provisional data.
p    2006
q    2004
r    2009
s    2014
t    Population aged 6 years and over.
u    Excluding private non-profit.
v    Excluding government.
w    2013