For the years 1971 to 1984 the data sources are
World Bank
and
IEA (imports/exports).
For the year 1990 the data source is
IEA.
For the years 1993 to 1995 the data source is
IEA.
For the years 1999 to 2002 the data source is
IEA.
For the years 2008 to 2017 the data source is
IEA.
For the years 2018 to 2019 the data sources are
IEA
and
IEA (imports/exports).
For the years 2020 to 2023 the data source is
Ember.
For the year 2023/2024 the data source is
aggregated data from the last 12 months (2023-09 to 2024-08).
For the months 2023-09 to 2024-08 the data source is
ENTSOE.