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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $225,528 | $257,862 | $457,188 | $324,996 | $24,199 | $69,165 | $265,877 |
| Manganese oxides other than manganese dioxide | $345,252 | $286,465 | $357,362 | $556,695 | $285,315 | $642,172 | $436,358 |
| Total | $570,780 | $544,327 | $814,550 | $881,691 | $309,514 | $711,337 | $702,235 |
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