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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $832,030 | $875,709 | $758,687 | $869,622 | $1,421,461 | $1,406,959 | $1,716,712 |
| Manganese oxides other than manganese dioxide | $18,824 | $41,237 | $47,178 | $37,908 | $80,980 | $19,600 | $10,017 |
| Total | $850,854 | $916,946 | $805,865 | $907,530 | $1,502,441 | $1,426,559 | $1,726,729 |
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