|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | | $90 | | | | | |
| Rare gases other than argon | $5,146 | | | | | | |
| Nitrogen | | | | $1,902 | | | $484 |
| Oxygen | $1,010 | | $200 | | | $15 | |
| Silicon, cont. by wt. <99.99% of silicon | $812 | $1,652 | $2,785 | | $354,668 | | |
| Total | $6,968 | $1,742 | $2,985 | $1,902 | $354,668 | $15 | $484 |
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