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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $1,008 | $2,666 | $740 | $10,397 | $1,727 | $8,712 | $1,025 |
| Silver nitrate | $72,285 | $61,217 | $61,649 | $93,719 | $54,525 | $59,855 | $99,354 |
| Silver comps. other than silver nitrate | $134,052 | $184,055 | $284,369 | $235,747 | $174,952 | $214,510 | $425,460 |
| Gold comps. | $139,970 | $194,471 | $172,553 | $172,939 | $96,473 | $143,233 | $222,822 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $46,618 | $68,881 | $164,063 | $165,002 | $28,730 | $57,996 | $74,273 |
| Total | $393,933 | $511,290 | $683,374 | $677,804 | $356,407 | $484,306 | $822,934 |
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