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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $16,000 | $45,000 | $69,000 | $81,000 | $32,000 | $34,000 | $1,230,000 |
| Silver nitrate | $53,000 | $654,000 | $154,000 | $204,000 | $117,000 | $129,000 | $495,000 |
| Silver comps. other than silver nitrate | $204,000 | $279,000 | $182,000 | $232,000 | $86,000 | $131,000 | $71,000 |
| Gold comps. | $397,000 | $405,000 | $385,000 | $512,000 | $216,000 | $194,000 | $502,000 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $2,672,000 | $3,297,000 | $3,427,000 | $4,900,000 | $1,071,000 | $1,762,000 | $10,084,000 |
| Total | $3,342,000 | $4,680,000 | $4,217,000 | $5,929,000 | $1,522,000 | $2,250,000 | $12,382,000 |
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