|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Copper mattes | | | $3,270,755 | $4,396,254 | $2,099,642 | $2,525,475 | $2,759,963 |
| Cement copper (precipitated copper) | $1,754,062 | $2,658,553 | | | | | |
| Total | $1,754,062 | $2,658,553 | $3,270,755 | $4,396,254 | $2,099,642 | $2,525,475 | $2,759,963 |
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