|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Unrefined copper; copper anodes for electrolytic refining | $180,798 | $470,262 | $1,224,029 | $1,149,908 | $2,299,260 | $1,557,500 | $25,611,802 |
| Total | $180,798 | $470,262 | $1,224,029 | $1,149,908 | $2,299,260 | $1,557,500 | $25,611,802 |
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