a    Projected estimate (medium fertility variant).
b    2019
c    2020
d    Excludes irrigation canals and landscaping care.
e    Excludes publishing activities.
f    Includes irrigation canals.
g    Excludes repair of personal and household goods.
h    Estimate.
i    Calculated by the UN Statistics Division from national indices.
j    Base: 2018=100.
k    Areas not elsewhere specified.
l    Data refers to a 5-year period preceding the reference year.
m    Including refugees.
n    Refers to foreign citizens.
o    2018
p    2014
q    2008
r    2009
s    2007
t    2017
u    Data are as at 1 January of reporting year.
v    This number is reflecting the whole population, based on the age range 12-65 years for the study it is 70% of the population.
w    Based on R&D budget instead of R&D expenditure.
x    Overestimated or based on overestimated data.
y    2013
z    The data for crude oil production include 50 per cent of the output of the Neutral Zone.