|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $97,596,211 | $83,765,008 | $79,936,110 | $111,553,054 | $98,711,359 | $99,503,563 | $98,396,804 |
| Total | $97,596,211 | $83,765,008 | $79,936,110 | $111,553,054 | $98,711,359 | $99,503,563 | $98,396,804 |
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