|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $11,316,088 | $27,551,045 | $25,467,607 | $22,001,985 | $14,900,732 | $50,390,487 | $33,803,719 |
| Total | $11,316,088 | $27,551,045 | $25,467,607 | $22,001,985 | $14,900,732 | $50,390,487 | $33,803,719 |
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