Kuwonjezera okondedwa
 
Chotsani okondedwa

Natural mpweya mbiri mtengo wokwera 1989

Mitengo mbiri ya Gasi mu 1989. mtengo 1 MMBTU (1 miliyoni mayunitsi British matenthedwe = 27,93 Bakuman. meters) wa gasi ndi masiku.

Natural mpweya mtengo tchati kwa Europe 1989

Natural mpweya mbiri mtengo wokwera 1989

Price of Gasi mu 1989

Date Madola Btu Miliyoni
December 1989 2.090000
November 1989 2.090000
October 1989 2.090000
September 1989 2.090000
August 1989 2.090000
July 1989 2.090000
June 1989 2.090000
mulole 1989 2.090000
April 1989 2.090000
March 1989 2.090000
February 1989 2.090000
January 1989 2.090000
   Brent mtengo mafuta moyo lero
   Mbiri WTI mafuta mtengo mafuta mtengo tchati kuyambira 1983
   Mtengo mkuwa mb
   Aluminium mtengo mb