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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | | $472 | $126 | $2,280 | | |
| Silver nitrate | $416 | $1,647 | $545 | $2,162 | $284 | $839 | $1,333 |
| Silver comps. other than silver nitrate | | $223 | $293 | $368 | $180 | $1,143 | $555 |
| Gold comps. | | $1,021 | $476 | $10,611 | | $3,084 | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $5,305 | $13,776 | $1,092 | $17 | $5,676 | $3,103 | $3,948 |
| Total | $5,721 | $16,667 | $2,878 | $13,284 | $8,420 | $8,169 | $5,836 |
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