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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $1,000 | | | | $2,812 | $17 | |
| Silver nitrate | $6,000 | $3,869 | $5,687 | $12,692 | $8,477 | $12,129 | $16,212 |
| Silver comps. other than silver nitrate | $21,000 | $20,521 | $30,731 | $58,741 | $24,211 | $17,658 | $132,424 |
| Gold comps. | $12,000 | $10,465 | $37,292 | $36,404 | $9,975 | $39,815 | $67,449 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $197,000 | $127,073 | $116,874 | $64,608 | $50,318 | $70,176 | $145,803 |
| Total | $237,000 | $161,928 | $190,584 | $172,445 | $95,793 | $139,795 | $361,888 |
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