Engeza kuzintandokazi
 
Susa kusukela kuzintandokazi

Igesi yemvelo umlando intengo 1980

Amanani Historical of Igesi yemvelo e 1980. izindleko 1 MMBTU (1 million amayunithi British ezishisayo = 27,93 cub. amamitha) Igesi yemvelo by izinsuku.

Igesi yemvelo ishadi intengo Europe 1980

Igesi yemvelo umlando intengo 1980

Inani Igesi yemvelo e 1980

Usuku Dollars ngayinye Million Btu
December 1980 4.220000
November 1980 4.220000
October 1980 4.220000
September 1980 4.220000
August 1980 4.220000
July 1980 4.220000
June 1980 4.220000
May 1980 4.220000
April 1980 4.220000
Mashi 1980 4.220000
February 1980 4.220000
January 1980 4.220000
   Brent Intengo kawoyela ongahluziwe bukhoma namuhla
   Umlando intengo kawoyela WTI ishadi intengo kawoyela kusukela ngo-1983
   Intengo Copper umland
   Intengo Aluminium umland