a    Projected estimate (medium fertility variant).
b    2019
c    Refers to the functional urban area.
d    2020
e    Excludes irrigation canals and landscaping care.
f    Includes irrigation canals.
g    Excludes publishing activities.
h    Excludes repair of personal and household goods.
i    Estimate.
j    Merchandise imports data follows special trade system up to 2007.
k    Data refers to a 5-year period preceding the reference year.
l    Including refugees.
m    Data as at the end of December.
n    2018
o    2017
p    Data are as at 1 January of reporting year.
q    Partial data.
r    Break in the time series.
s    2009
t    2013