|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Colloidal precious metals | $153 | $169 | $117 | $29 | | | |
| Silver nitrate | $1,537 | $1,341 | $1,142 | $1,421 | $1,682 | $4,450 | $7,462 |
| Silver comps. other than silver nitrate | $139 | $198 | $355 | $447 | | $923 | $709 |
| Gold comps. | $43 | $168 | | | $642 | $206 | $1,107 |
| Inorganic/organic comps. of precious metals, whether or not chemically defi ... | $898 | $391 | $1,727 | $1,154 | $4,489 | $4,393 | $713 |
| Total | $2,770 | $2,267 | $3,341 | $3,051 | $6,813 | $9,972 | $9,991 |
|
|
