|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | | $410 | | | | |
| Silver nitrate | $872 | $464 | $14,601 | $21,407 | $578,640 | $730,971 | $609,241 |
| Silver comps. other than silver nitrate | $14,396 | $17,637 | $5,100 | $40,361 | $3,764 | $10,313 | $144,192 |
| Gold comps. | | | | | $92 | | |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $11,525 | $11,755 | $150 | $12,454 | $20,341 | $136,681 | $49,132 |
| Total | $26,793 | $29,856 | $20,261 | $74,222 | $602,837 | $877,965 | $802,565 |
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