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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | $500 | $575 | | $760 | $160 | $3,540 | |
| Argon | $7,757 | $6,335 | $14,932 | $8,320 | $2,640 | $1,500 | $20 |
| Rare gases other than argon | $400 | $225 | $15,250 | $29,920 | $61,058 | $5,170 | $6,725 |
| Nitrogen | | $7,760 | $358 | $130 | $80 | | |
| Oxygen | | $6,742 | $19,300 | $52,700 | $76,330 | $71,709 | $56,734 |
| Silicon, cont. by wt. <99.99% of silicon | | | | $300 | | $4,200 | $320 |
| Total | $8,657 | $21,637 | $49,840 | $92,130 | $140,268 | $86,119 | $63,799 |
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