|
| Commodity | 2008 | 2009 | 2010 |
| Hydrogen | $7,258 | | $5,480 |
| Argon | $721 | $1,531 | $975 |
| Rare gases other than argon | $16,906 | $9,562 | $6,432 |
| Nitrogen | $1,865 | $785 | $724 |
| Oxygen | $19,148 | $5,554 | $3,937 |
| Boron; tellurium | | $207 | |
| Silicon, cont. by wt. not <99.99% of silicon | $84 | | $69 |
| Silicon, cont. by wt. <99.99% of silicon | | $139 | $260 |
| Selenium | | | $3,164 |
| Total | $45,982 | $17,778 | $21,041 |
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