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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $545,616 | $586,612 | $610,633 | $928,166 | $792,111 | $1,005,948 | $1,151,762 |
| Manganese oxides other than manganese dioxide | $201,283 | $210,489 | $213,670 | $485,780 | $447,423 | $600,752 | $472,307 |
| Total | $746,899 | $797,101 | $824,303 | $1,413,946 | $1,239,534 | $1,606,700 | $1,624,069 |
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