|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | | $72 | | $15 | | |
| Silver nitrate | $1,242 | $2,188 | $2,422 | $1,220 | $966 | $2,612 | $1,476 |
| Silver comps. other than silver nitrate | $4,168 | $1,318 | | $135 | | | |
| Gold comps. | | $395 | $408 | | | $122 | $364 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $70,078 | $1,936 | $1,226 | $24,398 | $13 | $442 | $9,222 |
| Total | $75,488 | $5,837 | $4,128 | $25,753 | $994 | $3,176 | $11,062 |
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