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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $194,864 | $167,488 | $95,866 | $158,580 | $149,946 | $143,386 | $152,201 |
| Manganese oxides other than manganese dioxide | $371 | $1,157 | $4,522 | $2,946 | | $801 | $806 |
| Total | $195,235 | $168,645 | $100,388 | $161,526 | $149,946 | $144,187 | $153,007 |
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