|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Argon | $3,437 | | | $190 | | $1,277 |
| Rare gases other than argon | | | $4,953 | $647 | $4,815 | |
| Nitrogen | | $107 | $5,040 | | $20 | $1,122 |
| Oxygen | | | $20,311 | $40 | | |
| Boron; tellurium | $13,924 | | | | | |
| Silicon, cont. by wt. <99.99% of silicon | | $194,088 | $322,505 | $64,852 | | |
| Total | $17,361 | $194,195 | $352,809 | $65,729 | $4,835 | $2,399 |
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