Footnotes  
a    2017
b    2019
c    2018
d    Estimate.
e    Break in the time series.
f    2016
g    Data refers to a 5-year period preceding the reference year.
h    Including refugees.
i    Data as at the end of December.
j    2009
k    2007
l    Data are as at 1 January of reporting year.
m    Population aged 15 to 65 years.
n    Partial data.