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| Commodity | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | | $4,723 | $47,372,001 |
| Silver nitrate | $732,404 | $620,313 | $730,480 | $903,660 |
| Silver comps. other than silver nitrate | | | $288 | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | | | | $839 |
| Total | $732,404 | $620,313 | $735,491 | $48,276,500 |
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