|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | | | $115,000 | | | | |
| Argon | | | | $15,000 | $113,000 | $104,000 | $96,000 |
| Rare gases other than argon | $1,329,000 | $189,000 | $608,000 | $394,000 | $133,000 | $129,000 | $660,000 |
| Nitrogen | $900,000 | $385,000 | $652,000 | | | $187,000 | $47,000 |
| Oxygen | $83,000 | | $68,000 | | | | $13,000 |
| Boron; tellurium | | $15,000 | $1,000 | | | | |
| Silicon, cont. by wt. not <99.99% of silicon | | | | $7,000 | | | |
| Silicon, cont. by wt. <99.99% of silicon | | | | $2,000 | $1,000 | | |
| Phosphorus | | | $5,000 | | | | |
| Selenium | | | | | $660,000 | | |
| Total | $2,312,000 | $589,000 | $1,449,000 | $418,000 | $907,000 | $420,000 | $816,000 |
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