|
| Commodity | 2005 | 2006 | 2008 | 2009 | 2010 |
| Colloidal precious metals | | | | $7 | |
| Silver nitrate | | $19 | | $1,136 | $3,168 |
| Silver comps. other than silver nitrate | | $688 | $963 | $287 | $1,101 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $2,173 | $7,086 | $32,478 | $12,079 | $18,776 |
| Total | $2,173 | $7,793 | $33,441 | $13,509 | $23,045 |
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