| 11. | November natural gas rose 9.6 cents to $ 3.064 per million British thermal units.
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| 12. | February natural gas plunged 31.9 cents to $ 2.49 each million British thermal units.
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| 13. | January natural gas fell 15.2 cents to $ 6.668 per million British thermal units.
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| 14. | October natural gas fell 5.7 cents to $ 1.644 per million British thermal units.
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| 15. | November natural gas fell 77.6 cents to $ 7.626 per million British thermal units.
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| 16. | She said in December 1999, gas cost $ 2.36 per million British thermal units.
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| 17. | November natural gas fell 4.8 cents to $ 6.803 per million British thermal units.
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| 18. | November natural gas declined 21.5 cents to $ 7.89 per million British thermal units.
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| 19. | It was 22.8 trillion cubic feet, not British thermal units.
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| 20. | February natural gas fell 4.3 cents to $ 2.125 per million British thermal units.
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