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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | $1,381 | $958 | $405 | $727 | $1,303 | $1,426 | $3,145 |
| Argon | $3,229 | $2,347 | $39,240 | $62,636 | $67,251 | $74,232 | $62,713 |
| Rare gases other than argon | $22,672 | $6,984 | $46,402 | $105,045 | $45,528 | $37,932 | $50,677 |
| Nitrogen | $9,131 | $8,353 | $7,830 | $7,453 | $9,199 | $4,027 | $8,424 |
| Oxygen | $86,689 | $121,211 | $160,768 | $248,108 | $273,817 | $240,118 | $210,211 |
| Boron; tellurium | $49 | | | | | | |
| Silicon, cont. by wt. not <99.99% of silicon | | | | $11,376 | | | |
| Silicon, cont. by wt. <99.99% of silicon | $3,447 | $351 | | | | $489 | $1,001 |
| Arsenic | | | | | | | $850 |
| Selenium | $2,399 | | $3,808 | $5,917 | $75 | $354 | $88 |
| Total | $128,997 | $140,204 | $258,453 | $441,262 | $397,173 | $358,578 | $337,109 |
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