|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cobalt & arts. thereof , n.e.s. in 81.05 | $31,308,527 | $40,425,628 | $41,894,031 | $49,377,608 | $38,133,846 | $38,015,435 | $36,350,872 |
| Total | $31,308,527 | $40,425,628 | $41,894,031 | $49,377,608 | $38,133,846 | $38,015,435 | $36,350,872 |
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