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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Hydrogen | $31,879 | $13,236 | | $95 | $461 | $110 |
| Argon | $913 | $29,949 | $1,528 | $11,748 | $31,569 | $9,333 |
| Rare gases other than argon | $5,490 | $53,204 | $60,474 | $70,192 | $77,867 | $141,311 |
| Nitrogen | $5,468 | $5,331 | $4,627 | $6,476 | $3,088 | $6,434 |
| Oxygen | $357,678 | $229,722 | $193,515 | $188,152 | $160,107 | $201,328 |
| Silicon, cont. by wt. not <99.99% of silicon | $7 | | $17 | $243 | $18 | $113 |
| Silicon, cont. by wt. <99.99% of silicon | $216 | $841 | $943 | $153 | $1,248 | $6,642 |
| Phosphorus | $114 | $109 | $54 | | | $6 |
| Selenium | | | $49 | $395 | $675 | $186 |
| Total | $401,765 | $332,392 | $261,207 | $277,454 | $275,033 | $365,463 |
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