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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Argon | $99,589 | $109,568 | $25,375 | $179,796 | $86,738 |
| Rare gases other than argon | $73,386 | $4,926 | $22,681 | $8,917 | $62,294 |
| Nitrogen | $197,868 | $213,122 | $225,054 | $228,556 | $148,680 |
| Oxygen | $145,212 | $80,135 | $61,250 | $118,654 | $388,303 |
| Total | $516,055 | $407,751 | $334,360 | $535,923 | $686,015 |
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