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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon (carbon blacks & oth. forms of carbon, n.e.s.) | $191,550,924 | $218,750,427 | $248,731,185 | $303,986,286 | $150,204,946 | $179,669,134 |
| Total | $191,550,924 | $218,750,427 | $248,731,185 | $303,986,286 | $150,204,946 | $179,669,134 |
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