Footnotes
a    Projected estimate (medium fertility variant).
b    2015.
c    2014.
d    2016.
e    Data classified according to ISIC Rev. 4.
f    Estimate.
g    Series linked to former series.
h    Data classified according to ISIC Rev. 3.
i    2011.
j    Break in the time series.
k    Areas not elsewhere specified.
l    Data refers to a 5-year period preceding the reference year.
m    Data as at the end of December.
n    Data revision.
o    2003.
p    2009.
q    2013.
r    2004.
s    2012.
t    2006.
u    Year ending 31 March of the following year.
v    Data as at the end of June.
w    Excluding nationals residing abroad.