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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $19,227 | $39,695 | $179,737 | $196,374 | $82,491 | $55,387 | $64,812 |
| Manganese oxides other than manganese dioxide | $144,377 | $166,012 | $242,137 | $1,367,943 | $498,115 | $867,872 | $333,806 |
| Total | $163,604 | $205,707 | $421,874 | $1,564,317 | $580,606 | $923,259 | $398,618 |
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