|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $818,437 | $1,291,670 | $2,053,427 | $787,175 | $445,716 | $2,095,465 | $3,837,312 |
| Total | $818,437 | $1,291,670 | $2,053,427 | $787,175 | $445,716 | $2,095,465 | $3,837,312 |
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