a    2017
b    Including communities under the authority of the Town Council.
c    2018
d    Data classified according to ISIC Rev. 4.
e    Estimate.
f    Provisional data.
g    2016
h    Data classified according to ISIC Rev. 3.
i    2014
j    Data refers to a 5-year period preceding the reference year.
k    2015
l    Data as at the end of December.
m    Population aged 16 years and over.
n    Users in the last 12 months.
o    Data have been converted from the former national currency using the appropriate conversion rate.
p    2004
q    Excludes the Belarusian-Russian border segment.
r    Includes estimation of the Belarusian-Russian border segment.