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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $499 | | $49 | $171 | | $23,915 | |
| Silver nitrate | $2,934 | $3,881 | $11,466 | $9,081 | $11,714 | $3,717 | $6,697 |
| Silver comps. other than silver nitrate | $1,077 | $7,417 | $34,901 | $7,109 | $1,388 | $10,936 | $15,253 |
| Gold comps. | $18,590 | $250,805 | $179,344 | $75,686 | $10,332 | $5,055 | $595 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $7,992 | $41,929 | $41,238 | $176,033 | $20,787 | $12,369 | $60,816 |
| Total | $31,092 | $304,032 | $266,998 | $268,080 | $44,221 | $55,992 | $83,361 |
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