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| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $7,678 | | $13,575 | $8,075 | | |
| Silver nitrate | $948 | $609 | $638 | $597 | $2,124 | $1,593 |
| Silver comps. other than silver nitrate | | | | | $33,233 | $11,690 |
| Gold comps. | | $21,175 | | $947 | $1,980 | $326 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | | | | $786 | $1,001 | $223 |
| Total | $8,626 | $21,784 | $14,213 | $10,405 | $38,338 | $13,832 |
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