a    Inland waters include the reservoirs.
b    2017
c    2018
d    Estimate.
e    Calculated by the UN Statistics Division from national indices.
f    2016
g    Data classified according to ISIC Rev. 3.
h    Data refers to manufacturing and utilities only.
i    2012
j    Areas not elsewhere specified.
k    Data refers to a 5-year period preceding the reference year.
l    2015
m    Data as at the end of December.
n    Population aged 3 years and over.
o    Users in the last 3 months.
p    Partial data.
q    Break in the time series.
r    2004
s    2014
t    Does not include other non-residents namely workers, students, etc.