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| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 | 2011 |
| Hydrogen | | $211 | $1,823 | | | $2,279 |
| Argon | $3,497 | $7,926 | $10,372 | $7,127 | $12,671 | $7,967 |
| Rare gases other than argon | $10,065 | $15,776 | $26,059 | $52,576 | $11,177 | $29,287 |
| Nitrogen | $4,530 | $2,491 | $2,639 | $2,034 | $2,557 | $6,389 |
| Oxygen | $45,154 | $41,977 | $46,794 | $49,268 | $29,738 | $31,759 |
| Silicon, cont. by wt. not <99.99% of silicon | | | | | $134 | $132 |
| Silicon, cont. by wt. <99.99% of silicon | | $6,318 | $10,929 | $79 | | |
| Selenium | $1,282 | $5,701 | | | | |
| Total | $64,528 | $80,400 | $98,616 | $111,084 | $56,277 | $77,813 |
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