Footnotes  
a    2017
b    2010
c    2018
d    Data classified according to ISIC Rev. 4.
e    Data classified according to ISIC Rev. 3.
f    2016
g    Estimate.
h    Areas not elsewhere specified.
i    Data refers to a 5-year period preceding the reference year.
j    2015
k    2004
l    2001
m    Data as at the end of December.
n    2006
o    2014