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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | $625 | | | | $12,741 | $24,751 |
| Silver nitrate | $10,246 | $23,851 | $11,007 | $56,377 | $18,380 | $29,606 | $29,264 |
| Silver comps. other than silver nitrate | $453 | $1,360 | $532 | $860 | $890 | $1,920 | $1,480 |
| Gold comps. | | | $368 | $800 | $632 | $807 | $534 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $9,144 | $2,613 | $629 | $2,799 | $734 | $66,106 | $66,355 |
| Total | $19,843 | $28,449 | $12,536 | $60,836 | $20,636 | $111,180 | $122,384 |
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