|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Argon | | | | $1,131 | | |
| Rare gases other than argon | $3,784 | | $72,800 | | | |
| Nitrogen | $6,400 | $772 | $12,553 | | $498 | $70 |
| Oxygen | $640 | | $1,798 | | $8,603 | $3,480 |
| Silicon, cont. by wt. <99.99% of silicon | | | $1,746 | | | |
| Total | $10,824 | $772 | $88,897 | $1,131 | $9,101 | $3,550 |
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