Footnotes
a    Projected estimate (medium fertility variant).
b    2015.
c    Estimate.
d    2013.
e    2014.
f    2016.
g    Data refers to a 5-year period preceding the reference year.
h    Including refugees.
i    Refers to foreign citizens.
j    Data as at the end of December.
k    2004.
l    2009.
m    Includes inactive subscriptions.
n    Data refers to active subscriptions only.