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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $404 | $408 | $315 | | | $249 | |
| Silver nitrate | $3,057 | $1,242 | $4,007 | $2,719 | $2,846 | $3,043 | $1,936 |
| Silver comps. other than silver nitrate | $305 | $683 | $649 | $295 | $1,002 | $4,023 | $503 |
| Gold comps. | | $5,664 | $1,082 | $16,259 | $27,705 | $48,765 | $21,899 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $12,070 | $31,118 | $129,226 | $82,791 | $24,182 | $8,276 | $90,195 |
| Total | $15,836 | $39,115 | $135,279 | $102,064 | $55,735 | $64,356 | $114,533 |
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