|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Colloidal precious metals | | | $171 | | | |
| Silver nitrate | $7,784 | $22,144 | $7,165 | $7,344 | $8,319 | $1,423 |
| Silver comps. other than silver nitrate | $472 | | $1,753 | $745 | $753 | |
| Gold comps. | | | $2,751 | | | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $2,086 | $4,387 | $2,428 | $651 | | $3,114 |
| Total | $10,342 | $26,531 | $14,268 | $8,740 | $9,072 | $4,537 |
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