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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $10,829 | $18,530 | | $51,343 | | $16,114 | $125,387 |
| Manganese oxides other than manganese dioxide | $45,430 | $18,190 | $27,675 | $643,925 | $47,522 | $419,940 | $412,100 |
| Total | $56,259 | $36,720 | $27,675 | $695,268 | $47,522 | $436,054 | $537,487 |
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