|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | $370 | | $307 | | | |
| Silver nitrate | $8,645 | $6,510 | $14,670 | $4,451 | $16,519 | $7,134 | $10,569 |
| Silver comps. other than silver nitrate | $4,119 | $2,038 | $3,761 | $7,652 | $1,049 | $2,130 | $1,165 |
| Gold comps. | $53 | | | | $307 | $8,965 | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $2,146 | $2,605 | $2,951 | $20,329 | $5,667 | $7,215 | $40,610 |
| Total | $14,963 | $11,523 | $21,382 | $32,739 | $23,542 | $25,444 | $52,344 |
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