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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Hydrogen | $23,889 | $9,153 | | | |
| Argon | $11,210 | $5,132 | $6,936 | $33,902 | $85,335 |
| Rare gases other than argon | $2,490 | $8,688 | $42,634 | $10,442 | $235,838 |
| Nitrogen | $7,097 | $11,478 | $463 | $12,661 | $57,670 |
| Oxygen | $81,791 | $39,712 | | $8,337 | |
| Silicon, cont. by wt. not <99.99% of silicon | | | $783 | | |
| Silicon, cont. by wt. <99.99% of silicon | $21,178 | $11,330 | $33,877 | $51,566 | $8,449 |
| Total | $147,655 | $85,493 | $84,693 | $116,908 | $387,292 |
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