a    Projected estimate (medium fertility variant).
b    2019
c    2018
d    2020
e    Excludes irrigation canals and landscaping care.
f    Excludes publishing activities.
g    Includes irrigation canals.
h    Excludes repair of personal and household goods.
i    Estimate.
j    Data refers to a 5-year period preceding the reference year.
k    Refers to foreign citizens.
l    Including refugees.
m    2008
n    2017
o    Data are as at 1 January of reporting year.
p    Partial data.
q    2009
r    Excluding private non-profit.
s    Excluding business enterprise.