Footnotes  
a    2017
b    2018
c    Estimate.
d    Break in the time series.
e    2016
f    Data refers to a 5-year period preceding the reference year.
g    2015
h    Including refugees.
i    Data as at the end of December.
j    2009
k    2002
l    2007
m    Partial data.
n    2004
o    2014