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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Colloidal precious metals | | | | $626 | $580 | $2,178 |
| Silver nitrate | $677 | $473 | $1,545 | $4,334 | $2,097 | $1,986 |
| Silver comps. other than silver nitrate | | $23 | | $10 | $261 | $30 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | | $18 | | $57 | $42 | $14 |
| Total | $677 | $514 | $1,545 | $5,027 | $2,980 | $4,208 |
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