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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | | | | | $70,485 | | $204 |
| Argon | $11,917 | | $1,017 | $61,188 | $16,929 | | |
| Rare gases other than argon | | $2,941 | | $773 | $2,690 | $66,022 | $35,040 |
| Nitrogen | $3,392 | $68,368 | | $95,000 | $989,595 | $112,294 | $142,487 |
| Oxygen | $7,976 | $4,627 | $122,057 | $1,377,829 | $86,872 | $143,331 | $31,630 |
| Silicon, cont. by wt. not <99.99% of silicon | | | | $176 | | | |
| Total | $23,285 | $75,936 | $123,074 | $1,534,966 | $1,166,571 | $321,647 | $209,361 |
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