For the years 1980 to 1984 the data sources are
EIA
and
IEA (imports/exports).
For the years 1986 to 1989 the data sources are
World Bank
and
IEA (imports/exports).
For the year 1999 the data source is
IEA.
For the years 2000 to 2002 the data source is
Ember.
For the years 2003 to 2015 the data source is
IEA.
For the year 2024 the data source is
Ember.
For the months 2024-02 to 2024-12 the data source is
IEA.
For the month 2025-01 the data source is
Ember.