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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | | $135 | | | | |
| Silver nitrate | $20,027 | $28,208 | $24,150 | $23,386 | $35,135 | $28,995 | $155,601 |
| Silver comps. other than silver nitrate | $6,927 | $2,288 | $1,664 | $712 | $27,769 | $8,568 | $2,010 |
| Gold comps. | $10,983 | $45,342 | $66,155 | $14,823 | $11,302 | $62 | $17,885 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $15,557 | | $2,606 | $1,699 | $44 | $10,276 | $680 |
| Total | $53,494 | $75,838 | $94,710 | $40,620 | $74,250 | $47,901 | $176,176 |
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