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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Silver nitrate | $9,959 | $7,408 | $15,434 | $37,351 | $255,629 |
| Silver comps. other than silver nitrate | | | | | $3,557 |
| Gold comps. | $3,194 | $4,114 | | $51,791 | $1,226,136 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $52,188 | | | | $457 |
| Total | $65,341 | $11,522 | $15,434 | $89,142 | $1,485,779 |
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