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    Break in the time series.
j    2013
k    Resident population (de jure).
l    2009
m    Calculated by the UN Statistics Division from national indices.
n    Estimate.
o    Data refers to a 5-year period preceding the reference year.
p    Including refugees.
q    Refers to foreign citizens.
r    Data as at the end of December.
s    2008
t    2014
u    2017
v    Arrivals by air.