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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Silver nitrate | $5,472 | $5,346 | $7,343 | $10,389 | $11,285 | $13,635 |
| Silver comps. other than silver nitrate | $363 | | | | $85 | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | | $53 | | | | |
| Total | $5,835 | $5,399 | $7,343 | $10,389 | $11,370 | $13,635 |
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