a    Projected estimate (medium fertility variant).
b    2015
c    2017
d    2016
e    At producers' prices.
f    Estimate.
g    Data refers to a 5-year period preceding the reference year.
h    Refers to foreign citizens.
i    Data as at the end of December.
j    Data refer to fiscal years beginning 1 April.
k    Data revision.
l    Country is still reporting data based on SHA1.0.
m    2012
n    2007
o    Partial data.
p    2002
q    2004
r    2014
s    Break in the time series.