|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $10,781,359 | $8,275,205 | $2,657,949 | $4,001,990 | $5,660,110 | $16,342,838 | $17,971,487 |
| Total | $10,781,359 | $8,275,205 | $2,657,949 | $4,001,990 | $5,660,110 | $16,342,838 | $17,971,487 |
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