|
| Commodity | 2005 | 2006 | 2007 |
| Hydrogen | | $836 | $2,619 |
| Argon | $64,501 | $60,715 | $43,080 |
| Rare gases other than argon | $16,569 | $197,556 | $34,056 |
| Nitrogen | $14,232 | $28,098 | $5,701 |
| Oxygen | $127,277 | $136,482 | $116,803 |
| Boron; tellurium | $12,263 | $4,715 | $217 |
| Phosphorus | $11 | | |
| Selenium | | | $4,454 |
| Total | $234,853 | $428,402 | $206,930 |
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