|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $13,354,780 | $18,550,891 | $51,242 | $47,642,867 | $279,218 | $3,520,617 | $219,503 |
| Total | $13,354,780 | $18,550,891 | $51,242 | $47,642,867 | $279,218 | $3,520,617 | $219,503 |
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