|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Argon | | $1,197 | | $821 | | | |
| Rare gases other than argon | $3,654 | $111 | $778 | $675 | | $591 | $15,280 |
| Oxygen | $310 | $5,116 | $233 | $98 | $402 | $123 | $429 |
| Boron; tellurium | | | | | | $1,012 | |
| Silicon, cont. by wt. not <99.99% of silicon | | | | | | $4,259 | $696 |
| Silicon, cont. by wt. <99.99% of silicon | $63 | | | $50 | | | $3,893 |
| Total | $4,027 | $6,424 | $1,011 | $1,644 | $402 | $5,985 | $20,298 |
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