|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Copper mattes | | | $3,855,231 | $3,175,060 | $2,103,420 | $4,280,349 | $8,035,036 |
| Cement copper (precipitated copper) | $1,900,311 | $2,561,889 | | | | | |
| Total | $1,900,311 | $2,561,889 | $3,855,231 | $3,175,060 | $2,103,420 | $4,280,349 | $8,035,036 |
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