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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $122,824 | $245,715 | $298,592 | $88,462 | $72,862 | $77,958 | $60,932 |
| Manganese oxides other than manganese dioxide | $113,238 | $174,024 | $209,587 | $89,708 | $236,932 | $381,629 | $561,042 |
| Total | $236,062 | $419,739 | $508,179 | $178,170 | $309,794 | $459,587 | $621,974 |
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