a    Projected estimate (medium fertility variant).
b    2015.
c    2016.
d    At producers' prices.
e    Estimate.
f    2014.
g    Break in the time series.
h    Data refers to a 5-year period preceding the reference year.
i    Including refugees.
j    Data as at the end of December.
k    Data revision.
l    2004.
m    2013.
n    Population aged 6 years and over.
o    2009.
p    Including nationals residing abroad.