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| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Hydrogen | $55 | $214 | $38 | $511 | $24 |
| Argon | $162,444 | $139,329 | $348,376 | $363,725 | $646,511 |
| Rare gases other than argon | $51,206 | $51,917 | $72,570 | $91,917 | $87,845 |
| Nitrogen | $60,686 | $380,332 | $512,312 | $529,781 | $601,174 |
| Oxygen | $541,880 | $723,337 | $1,086,366 | $3,689,637 | $2,587,434 |
| Silicon, cont. by wt. <99.99% of silicon | $2,208,268 | $2,979,486 | $719,639 | | $8,729,285 |
| Total | $3,024,539 | $4,274,615 | $2,739,301 | $4,675,571 | $12,652,273 |
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