|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | | | | $36,968 | |
| Silver nitrate | | | $9,330 | | $86 | |
| Silver comps. other than silver nitrate | $1,109 | | | $120,160 | $108,477 | $101,751 |
| Gold comps. | | | | | | $264,942 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | | $2,544 | $8,908 | $20,941 | | $2,407 |
| Total | $1,109 | $2,544 | $18,238 | $141,101 | $145,531 | $369,100 |
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