|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon (carbon blacks & oth. forms of carbon, n.e.s.) | $21,260,133 | $25,329,729 | $30,383,852 | $33,496,724 | $22,034,245 | $24,233,739 | $29,645,931 |
| Total | $21,260,133 | $25,329,729 | $30,383,852 | $33,496,724 | $22,034,245 | $24,233,739 | $29,645,931 |
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