|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $93 | | | $81 | | $56 | |
| Silver nitrate | $3,367 | $13,385 | $8,895 | $9,370 | $6,460 | $7,444 | $15,006 |
| Silver comps. other than silver nitrate | $421 | $1,496 | $295 | $44 | $3,407 | $1,290 | $3,267 |
| Gold comps. | | | $255 | $581 | $8,765 | | $330 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $136 | $837 | $741 | $1,823 | $1,617 | | $2,057 |
| Total | $4,017 | $15,718 | $10,186 | $11,899 | $20,249 | $8,790 | $20,660 |
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