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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Hydrogen | | | | $84 | $84 |
| Argon | $121,134 | $166,553 | $283,590 | $245,027 | $139,249 |
| Rare gases other than argon | $90,440 | $119,212 | $131,455 | $151,705 | $227,186 |
| Nitrogen | $45,359 | $36,980 | $91,691 | $34,700 | $36,795 |
| Oxygen | $116,956 | $129,524 | $177,539 | $184,999 | $175,000 |
| Boron; tellurium | $676 | $1,625 | $200 | $2,858 | $2,579 |
| Silicon, cont. by wt. not <99.99% of silicon | $33 | | $291 | $268 | $2,187 |
| Selenium | | | $16 | | |
| Total | $374,598 | $453,894 | $684,782 | $619,641 | $583,080 |
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