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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Hydrogen | $27,122 | $24,154 | $16,001 | $24,077 | $15,345 | $12,988 |
| Argon | $444,525 | $34,902 | $24,882 | $86,017 | $272,688 | $185,979 |
| Rare gases other than argon | $238,325 | $252,925 | $420,009 | $572,124 | $302,355 | $358,250 |
| Nitrogen | $128,943 | $43,757 | $47,136 | $47,396 | $99,003 | $317,872 |
| Oxygen | $57,114 | $512,316 | $37,270 | $267,832 | $87,737 | $70,723 |
| Silicon, cont. by wt. not <99.99% of silicon | $2,287 | | | $12,845 | | $4,272 |
| Silicon, cont. by wt. <99.99% of silicon | $25,899 | $12,683 | $29,919 | $35,108 | $92,464 | $41,285 |
| Phosphorus | | $44 | | | | |
| Arsenic | $11 | | $38 | | $86 | |
| Selenium | | | $1,744 | $8,690 | | $28,266 |
| Total | $924,226 | $880,781 | $576,999 | $1,054,089 | $869,678 | $1,019,635 |
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