|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Manganese dioxide | $2,000 | $1,558 | $6,969 | $11,340 | $2,713 | $701 | $33 |
| Manganese oxides other than manganese dioxide | $10,000 | $44,692 | $13,852 | $20,970 | $35,603 | $45,203 | $7,813 |
| Total | $12,000 | $46,250 | $20,821 | $32,310 | $38,316 | $45,904 | $7,846 |
|
|
