|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $5,037,464 | $3,531,934 | $9,699,370 | $29,584,485 | $3,914,179 | $4,477,916 | $5,723,944 |
| Total | $5,037,464 | $3,531,934 | $9,699,370 | $29,584,485 | $3,914,179 | $4,477,916 | $5,723,944 |
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