|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $11,459,173 | $31,897,374 | $20,138,384 | $9,663,061 | $3,648,872 | $5,296,995 | $76,733,571 |
| Total | $11,459,173 | $31,897,374 | $20,138,384 | $9,663,061 | $3,648,872 | $5,296,995 | $76,733,571 |
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