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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Colloidal precious metals | $311,293 | $79,145 | | | $276 | |
| Silver nitrate | $6,706 | $4,885 | $814 | $137 | $1,504 | $1,338 |
| Silver comps. other than silver nitrate | $21,816 | $6,203 | $13,287 | $8,155 | $2,982 | $66 |
| Gold comps. | $19,254 | | $2,569 | | | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $50 | $16,829 | $29,144 | $5,214 | $1,672 | $3,722 |
| Total | $359,119 | $107,062 | $45,814 | $13,506 | $6,434 | $5,126 |
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