|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | | $491 | | | | |
| Silver nitrate | $163 | $84 | $476 | $819 | $1,334 | $1,933 | $797 |
| Silver comps. other than silver nitrate | $274 | $223 | | $2,598 | $241 | $144 | $237 |
| Gold comps. | | | | | $556 | | $619 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $2,187 | $12 | $1,534 | $2,934 | $1,765 | $207 | $1,410 |
| Total | $2,624 | $319 | $2,501 | $6,351 | $3,896 | $2,284 | $3,063 |
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