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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $163 | | | $84 | $4 | $35 | |
| Silver nitrate | $1,048 | $2,835 | $6,909 | $3,902 | $2,364 | $3,547 | $2,439 |
| Silver comps. other than silver nitrate | $398,672 | $471,976 | $335,159 | $502,302 | $610,292 | $1,039,231 | $1,521,831 |
| Gold comps. | $1,209 | $5,183 | $3,611 | $14,377 | $11,362 | $90 | $8,145 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | | | $523 | $734 | $1,960 | $1,391 | $7,657 |
| Total | $401,092 | $479,994 | $346,202 | $521,399 | $625,982 | $1,044,294 | $1,540,072 |
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