|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $42,683,265 | $71,340,096 | $66,702,415 | $63,254,081 | $60,467,953 | $92,644,043 | $114,579,774 |
| Total | $42,683,265 | $71,340,096 | $66,702,415 | $63,254,081 | $60,467,953 | $92,644,043 | $114,579,774 |
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