|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Argon | | | $9,773 | $11,180 | $15,367 | $7,061 |
| Rare gases other than argon | $7,760 | $8,849 | $2,767 | | $3,372 | $48 |
| Nitrogen | | | | | $29,584 | |
| Oxygen | $7,761 | $9,178 | $6,607 | $1,500 | $2,425 | $38 |
| Silicon, cont. by wt. not <99.99% of silicon | | | $551 | | | |
| Silicon, cont. by wt. <99.99% of silicon | | | | $8,192 | $28,061 | $102,156 |
| Selenium | | | | | $51 | |
| Total | $15,521 | $18,027 | $19,698 | $20,872 | $78,860 | $109,303 |
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