a    2017
b    Amsterdam is the capital and The Hague is the seat of government.
c    2019
d    2018
e    Data classified according to ISIC Rev. 4.
f    Excludes publishing activities. Includes irrigation and canals.
g    Excludes repair of personal and household goods.
h    Excludes computer and related activities and radio/TV activities.
i    Estimate.
j    2016
k    Data refers to a 5-year period preceding the reference year.
l    Data as at the end of December.
m    Data are as at 1 January of reporting year.
n    Users in the last 12 months.
o    Population aged 16 to 74 years.
p    Population aged 12 years and over.
q    Provisional data.
r    Break in the time series.
s    Data exclude Suriname and the Netherlands Antilles (former)
t    Development Assistance Committee member (OECD).