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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Argon | $12,956 | $12,539 | $5,413 | $5,830 | $5,928 |
| Rare gases other than argon | $1,491 | $4,062 | $7,214 | $3,407 | $3,418 |
| Nitrogen | $3,791 | $4,372 | $464 | $440 | $4,976 |
| Oxygen | $103,136 | $37,917 | $42,409 | $47,252 | $47,700 |
| Boron; tellurium | | $360 | | | |
| Silicon, cont. by wt. <99.99% of silicon | $424 | | $13 | | $2,216 |
| Phosphorus | $878 | | $87 | | $350 |
| Selenium | $3,527 | | | | |
| Total | $126,203 | $59,250 | $55,600 | $56,929 | $64,588 |
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