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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Manganese dioxide | $1,255,591 | $686,535 | $590,053 | $856,688 | $791,502 | $645,503 |
| Manganese oxides other than manganese dioxide | $166,954 | $119,551 | $205,870 | $276,546 | $294,265 | $409,568 |
| Total | $1,422,545 | $806,086 | $795,923 | $1,133,234 | $1,085,767 | $1,055,071 |
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