a    Projected estimate (medium fertility variant).
b    2015.
c    2014.
d    2016.
e    Data classified according to ISIC Rev. 4.
f    Excluding some areas.
g    Excluding the institutional population.
h    2011.
i    Break in the time series.
j    Data refers to a 5-year period preceding the reference year.
k    2012.
l    2003.
m    2006.
n    Estimate.
o    Data as at end of January of the following year.
p    2004.