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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $136 | | $4,306 | | | $24,230 | |
| Silver nitrate | $1,705 | $1,837 | $4,127 | $1,633 | $15,928 | $1,311 | $17,947 |
| Silver comps. other than silver nitrate | $1,690 | $10,672 | $240 | $910 | | $8,476 | |
| Gold comps. | | $29,875 | $23,426 | | | | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $75 | | $13,468 | $21,825 | | $1,350 | |
| Total | $3,606 | $42,384 | $45,567 | $24,368 | $15,928 | $35,367 | $17,947 |
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