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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $624 | $278 | $74 | $3,288 | $106 | $795 | $75 |
| Silver nitrate | $42,838 | $54,017 | $85,694 | $101,842 | $60,262 | $106,011 | $164,077 |
| Silver comps. other than silver nitrate | $14,511 | $13,920 | $14,742 | $8,490 | $13,546 | $27,478 | $92,992 |
| Gold comps. | $156,979 | $29,873 | $151,095 | $8,389 | $38,242 | $58,925 | $97,142 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $21,660 | $16,073 | $30,615 | $20,802 | $20,261 | $16,200 | $24,239 |
| Total | $236,612 | $114,161 | $282,220 | $142,811 | $132,417 | $209,409 | $378,525 |
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