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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $21,000 | $38,900 | $47,700 | $51,700 | $81,100 | $59,100 | $105,400 |
| Silver nitrate | $6,800 | $8,000 | $10,900 | $9,300 | $5,500 | $12,600 | $15,100 |
| Silver comps. other than silver nitrate | $46,100 | $47,700 | $67,400 | $96,400 | $109,300 | $75,000 | $143,600 |
| Gold comps. | $17,800 | $48,200 | $55,600 | $200 | $12,800 | $3,900 | $247,700 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $424,900 | $2,348,700 | $24,200 | $7,800 | $12,700 | $343,300 | $372,000 |
| Total | $516,600 | $2,491,500 | $205,800 | $165,400 | $221,400 | $493,900 | $883,800 |
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