a    Projected estimate (medium fertility variant).
b    2015.
c    Data classified according to ISIC Rev. 4.
d    Estimate.
e    Series linked to former series.
f    2014.
g    2016.
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 relates to the end of 2015.
l    Data revision.
m    2003.
n    2009.
o    2011.
p    2000.
q    2008.
r    2012.
s    Decrease due to operator updating their records to exclude inactive subscriptions.
t    Population aged 5 years and over.
u    2004.
v    Excluding nationals residing abroad.