Natural mpweya mtengo tchati kwa Europe 1972
Price of Gasi mu 1972
| Date | Madola Btu Miliyoni |
|---|---|
| December 1972 | 0.542166 |
| November 1972 | 0.542166 |
| October 1972 | 0.542166 |
| September 1972 | 0.542166 |
| August 1972 | 0.542166 |
| July 1972 | 0.542166 |
| June 1972 | 0.542166 |
| mulole 1972 | 0.542166 |
| April 1972 | 0.542166 |
| March 1972 | 0.542166 |
| February 1972 | 0.542166 |
| January 1972 | 0.542166 |
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| Anapeza cholakwika? malangizowo? Tiuze | |