a    2017
b    2018
c    At producers' prices.
d    Excludes Hotels and restaurants.
e    Estimate.
f    2016
g    Data refers to a 5-year period preceding the reference year.
h    2015
i    Refers to foreign citizens.
j    Data as at the end of December.
k    Data refer to fiscal years beginning 1 April.
l    Country is still reporting data based on SHA 1.0.
m    Data revision.
n    2007
o    Partial data.
p    2002
q    2004
r    2014