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| Commodity | 2005 | 2007 | 2008 |
| Hydrogen | $67,117 | $228,808 | $164,263 |
| Argon | $799,829 | $891,509 | $1,145,654 |
| Rare gases other than argon | $423,278 | $996,000 | $993,782 |
| Nitrogen | $1,749,837 | $675,917 | $1,805,359 |
| Oxygen | $149,259 | $265,684 | $246,271 |
| Silicon, cont. by wt. not <99.99% of silicon | $138,975 | $112,939 | $247,736 |
| Silicon, cont. by wt. <99.99% of silicon | $684,525 | $992,668 | $216,279 |
| Selenium | | $13,301 | |
| Total | $4,012,820 | $4,176,826 | $4,819,344 |
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