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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | | | $99 | | | | $104 |
| Silver nitrate | $7,979 | $3,179 | $1,224 | $2,752 | $2,335 | $3,739 | $6,987 |
| Silver comps. other than silver nitrate | $49 | $1,468 | $3,593 | $249 | $711 | $1,642 | $283 |
| Gold comps. | | | $886 | $279 | $373 | | $813 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $452 | $1,417 | $2,009 | $2,450 | $382 | $1,943 | $1,749 |
| Total | $8,480 | $6,064 | $7,811 | $5,730 | $3,801 | $7,324 | $9,936 |
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