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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $69,761 | $46 | $119 | $870 | $620 | $12,105 | $42,965 |
| Manganese oxides other than manganese dioxide | $19,363 | $26,499 | $49,048 | $133,184 | $52,840 | $173,991 | $205,284 |
| Total | $89,124 | $26,545 | $49,167 | $134,054 | $53,460 | $186,096 | $248,249 |
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