|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $5,185,464 | $5,328,444 | $2,897,392 | $5,880,276 | $2,577,182 | $4,771,340 | $4,560,084 |
| Total | $5,185,464 | $5,328,444 | $2,897,392 | $5,880,276 | $2,577,182 | $4,771,340 | $4,560,084 |
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