|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $788,130 | $4,908,606 | $16,519,629 | $13,005,159 | $467,562 | $827,988 | $950,872 |
| Total | $788,130 | $4,908,606 | $16,519,629 | $13,005,159 | $467,562 | $827,988 | $950,872 |
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