|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $1,204,456 | $1,431,324 | $2,697,012 | $1,187,633 | $1,294,964 | $909,277 | $1,801,896 |
| Total | $1,204,456 | $1,431,324 | $2,697,012 | $1,187,633 | $1,294,964 | $909,277 | $1,801,896 |
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