|
| Commodity | 2005 | 2006 | 2010 |
| Hydrogen | | $3,859 | $724 |
| Argon | | $548 | $9,241 |
| Rare gases other than argon | $8,902 | $23,673 | $80,030 |
| Nitrogen | $4,530 | $2,709 | $6,369 |
| Oxygen | $18,627 | $34,688 | $252,557 |
| Silicon, cont. by wt. <99.99% of silicon | $439 | | |
| Selenium | | | $716 |
| Total | $32,498 | $65,477 | $349,637 |
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