|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $7,829,890 | $795,937 | $46,758,549 | $35,034,364 | $22,700,118 | $12,308,308 | $7,353,499 |
| Total | $7,829,890 | $795,937 | $46,758,549 | $35,034,364 | $22,700,118 | $12,308,308 | $7,353,499 |
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