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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese & arts. thereof , incl. waste & scrap | $72,510,408 | $66,077,573 | $128,912,105 | $288,683,516 | $145,337,542 | $251,708,289 | $381,137,951 |
| Total | $72,510,408 | $66,077,573 | $128,912,105 | $288,683,516 | $145,337,542 | $251,708,289 | $381,137,951 |
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