Footnotes  
a    Projected estimate (medium fertility variant).
b    2015
c    2017
d    2016
e    Data classified according to ISIC Rev. 4.
f    Estimate.
g    Data classified according to ISIC Rev. 3.
h    2011
i    Break in the time series.
j    Data refers to a 5-year period preceding the reference year.
k    Data as at the end of December.
l    2014
m    Excluding private non-profit.
n    2004
o    2002