Footnotes  
a    2017
b    2018
c    Data classified according to ISIC Rev. 4.
d    Estimate.
e    Break in the time series.
f    Provisional data.
g    2016
h    Data refers to a 5-year period preceding the reference year.
i    2015
j    Refers to foreign citizens.
k    Including refugees.
l    Data refer to fiscal years ending 30 September.
m    2014
n    Partial data.
o    2002
p    2004