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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Argon | $6,718 | $7,126 | $7,104 | $5,651 |
| Rare gases other than argon | $5,022 | $6,412 | $8,936 | $9,059 |
| Nitrogen | $46,661 | $13,575 | $13,529 | $6,566 |
| Oxygen | $73,531 | $103,994 | $91,863 | $111,217 |
| Silicon, cont. by wt. not <99.99% of silicon | | | $100 | $18 |
| Silicon, cont. by wt. <99.99% of silicon | $1,050 | | $192 | $33 |
| Phosphorus | | | $67 | |
| Arsenic | $79 | | | |
| Total | $133,061 | $131,107 | $121,791 | $132,544 |
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