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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $175,234 | $297,807 | $205,653 | $251,835 | $98,235 | $212,836 | $134,501 |
| Manganese oxides other than manganese dioxide | $88,096 | $308,540 | $136,892 | $86,626 | $560,321 | $246,235 | $753,288 |
| Total | $263,330 | $606,347 | $342,545 | $338,461 | $658,556 | $459,071 | $887,789 |
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