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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Unrefined copper; copper anodes for electrolytic refining | $241,477,710 | $317,418,043 | $226,811,706 | $264,820,179 | $175,919,853 | $169,450,866 |
| Total | $241,477,710 | $317,418,043 | $226,811,706 | $264,820,179 | $175,919,853 | $169,450,866 |
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