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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | | $4,677 | $8,045 | $15,003 | $5,638 | $16,915 |
| Silver nitrate | $644 | $350 | $2,392 | $3,442 | $1,024 | $450 | $396 |
| Silver comps. other than silver nitrate | $9,816 | $7,943 | $4,358 | $4,584 | | $2,753 | |
| Gold comps. | | $1,102 | | | | | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $135 | $2,033 | $149 | $531 | $3,105 | $1,845 | $982 |
| Total | $10,595 | $11,428 | $11,576 | $16,602 | $19,132 | $10,686 | $18,293 |
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