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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $914,639 | $797,323 | $231,592 | $847,355 | $520,852 | $708,302 | $640,153 |
| Manganese oxides other than manganese dioxide | $12,028 | $20,675 | $15,559 | $70,994 | $44,345 | $30,564 | $41,043 |
| Total | $926,667 | $817,998 | $247,151 | $918,349 | $565,197 | $738,866 | $681,196 |
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