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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | $369 | $1,856 | $3,305 | $686 | $388 | $8,430 |
| Silver nitrate | $645 | $1,643 | $6,722 | $3,798 | $1,967 | $5,546 | $9,172 |
| Silver comps. other than silver nitrate | $1,190 | $70,855 | $3,891 | $2,150 | $4,780 | $2,392 | $4,720 |
| Gold comps. | $7,639 | $7,768 | $8,219 | $11,069 | $6,251 | $23,996 | $16,183 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $3,175 | $4,748 | $10,861 | $4,798 | $4,039 | $6,385 | $7,243 |
| Total | $12,649 | $85,383 | $31,549 | $25,120 | $17,723 | $38,707 | $45,748 |
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