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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $57,578 | $59,927 | $15,752 | $61,361 | $29,263 | $39,768 | $62 |
| Silver nitrate | $25,141 | $171,885 | $117,733 | $229,408 | $51,846 | $64,014 | $127,161 |
| Silver comps. other than silver nitrate | $6,984 | $13,321 | $12,409 | $19,091 | $23,152 | $45,041 | $151,480 |
| Gold comps. | $112 | $90 | $17,747 | $843 | $4,594 | $4,916 | $6,574 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $7,155 | $28,839 | $57,504 | $69,577 | $19,045 | $16,337 | $32,472 |
| Total | $96,970 | $274,062 | $221,145 | $380,280 | $127,900 | $170,076 | $317,749 |
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