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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $130,239,233 | $260,893,677 | $86,853,307 | $206,060,316 | $208,321,507 | $271,476,250 | $210,466,119 |
| Total | $130,239,233 | $260,893,677 | $86,853,307 | $206,060,316 | $208,321,507 | $271,476,250 | $210,466,119 |
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