Footnotes  
a    2017
b    2018
c    Data classified according to ISIC Rev. 4.
d    Estimate.
e    Provisional data.
f    2016
g    Data classified according to ISIC Rev. 3.
h    Data refers to a 5-year period preceding the reference year.
i    2015
j    Including refugees.
k    Data as at the end of December.
l    2004
m    2009
n    2003
o    2011
p    2012
q    2014
r    Departures.