|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $6,833 | $19,827 | $33,521 | | | | $308 |
| Manganese oxides other than manganese dioxide | $502,537 | $261,962 | $74,606 | $24,328 | $311,257 | $1,141,458 | $443,610 |
| Total | $509,370 | $281,789 | $108,127 | $24,328 | $311,257 | $1,141,458 | $443,918 |
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