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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $5,487 | $10,836 | $12,551 | $56,321 | $12,734 | $40,806 | $2,476,069 |
| Silver nitrate | $477,283 | $234,191 | $138,107 | $293,008 | $429,963 | $662,332 | $514,020 |
| Silver comps. other than silver nitrate | $870,315 | $492,535 | $1,470,182 | $2,897,673 | $1,005,728 | $2,544,527 | $3,373,781 |
| Gold comps. | $5,320 | $139 | $13,597 | $2,608,449 | $2,463,309 | $4,249,029 | $3,591,802 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $38,620 | $33,124 | $13,608 | $274,491 | $702,385 | $1,669,231 | $1,384,567 |
| Total | $1,397,025 | $770,825 | $1,648,045 | $6,129,942 | $4,614,119 | $9,165,925 | $11,340,239 |
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