|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon (carbon blacks & oth. forms of carbon, n.e.s.) | $47,372,658 | $60,428,689 | $69,268,189 | $83,131,952 | $73,296,691 | $115,280,450 | $155,256,316 |
| Total | $47,372,658 | $60,428,689 | $69,268,189 | $83,131,952 | $73,296,691 | $115,280,450 | $155,256,316 |
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