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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Argon | $2,645 | $4,861 | $7,027 | $36,434 | $59,318 | $25,369 | $67,891 |
| Rare gases other than argon | $71,765 | $54,735 | $54,490 | $46,076 | $2,842 | $10,453 | $22,469 |
| Nitrogen | $732 | $375 | $5,225 | $4,182 | $8,130 | $6,793 | $61,474 |
| Oxygen | $18,745 | $23,054 | $45,546 | $55,665 | $56,517 | $33,891 | $67,628 |
| Silicon, cont. by wt. not <99.99% of silicon | $256 | $105 | | $308 | | $33 | |
| Silicon, cont. by wt. <99.99% of silicon | $704 | $465 | $4,225 | | $387 | | |
| Phosphorus | $2,018 | $2,854 | $7,367 | $3,608 | | | |
| Total | $96,865 | $86,449 | $123,880 | $146,273 | $127,194 | $76,539 | $219,462 |
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