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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Silver nitrate | $7,755 | | | | | |
| Silver comps. other than silver nitrate | $295,541 | $15,361 | $14,143 | $24,992 | $267,011 | $716,617 |
| Gold comps. | $2,327 | $1,093 | $2,057 | | | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $936 | | | | | |
| Total | $306,559 | $16,454 | $16,200 | $24,992 | $267,011 | $716,617 |
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