a    Projected estimate (medium fertility variant).
b    2019
c    Amsterdam is the capital and The Hague is the seat of government.
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    Estimate.
j    Data refers to a 5-year period preceding the reference year.
k    Data as at the end of December.
l    2018
m    2017
n    Data are as at 1 January of reporting year.
o    Population aged 16 to 74 years.
p    Users in the last 12 months.
q    Break in the time series.
r    Provisional data.
s    Data exclude Suriname and the Netherlands Antilles (former)
t    Development Assistance Committee member (OECD).