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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Colloidal precious metals | $8,570 | $1,532 | $8,292 | $6,380 | $5,113 | |
| Silver nitrate | $23,302 | $8,629 | $6,220 | $4,631 | $19,661 | $23,450 |
| Silver comps. other than silver nitrate | $2,533 | $5,534 | $473 | $178 | $604 | $60,384 |
| Gold comps. | $763 | $972 | $1,153 | $1,305 | $579 | $21,525 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $70 | $1,059 | $9,507 | $1,029 | $7,239 | $14,390 |
| Total | $35,238 | $17,726 | $25,645 | $13,523 | $33,196 | $119,749 |
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