|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cobalt oxides & hydroxides; commercial cobalt oxides | $19,057,958 | $29,538,772 | $54,060,464 | $72,257,264 | $33,429,284 | $18,642,015 | $15,211,031 |
| Total | $19,057,958 | $29,538,772 | $54,060,464 | $72,257,264 | $33,429,284 | $18,642,015 | $15,211,031 |
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