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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $167,847 | $754,642 | $847,009 | $2,322,868 | $2,646,499 | $5,543,118 | $9,598,582 |
| Silver nitrate | $21,434,260 | $9,779,150 | $49,708,253 | $46,850,958 | $48,047,368 | $50,157,161 | $56,909,014 |
| Silver comps. other than silver nitrate | $2,635,926 | $11,926,226 | $12,403,933 | $8,079,156 | $8,780,719 | $13,571,647 | $16,274,013 |
| Gold comps. | $41,204 | $3,079,185 | $4,573,311 | $14,795,664 | $32,520,626 | $19,922,253 | $38,661,453 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $15,478,821 | $28,701,418 | $25,932,030 | $54,275,608 | $25,082,340 | $17,861,828 | $23,276,649 |
| Total | $39,758,058 | $54,240,621 | $93,464,536 | $126,324,254 | $117,077,552 | $107,056,007 | $144,719,711 |
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