a    Projected estimate (medium fertility variant).
b    2015.
c    2016.
d    Data classified according to ISIC Rev. 4.
e    Estimate.
f    2008.
g    2014.
h    Data classified according to ISIC Rev. 3.
i    Data refers to a 5-year period preceding the reference year.
j    Data as at the end of December.
k    2009.
l    2000.
m    Break in the time series.
n    Population aged 16 to 74 years.
o    Population aged 6 to 74 years.
p    2013.
q    2004.