|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Colloidal precious metals | | $936 | | $146 | $309 | |
| Silver nitrate | $2,301 | $17,685 | $10,715 | $14,219 | $13,042 | $14,897 |
| Silver comps. other than silver nitrate | $612 | $1,003 | $608 | $1,891 | $2,230 | $5,271 |
| Gold comps. | | | $183 | $176 | | $139 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $6,106 | $99,489 | $31,834 | $5,931 | $11,552 | $42,626 |
| Total | $9,019 | $119,113 | $43,340 | $22,363 | $27,133 | $62,933 |
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