Commodity2005200620072008200920102011
Carbon (carbon blacks & oth. forms of carbon, n.e.s.)$133,170,468$149,369,541$155,725,966$255,715,901$133,212,765$204,264,640$290,332,196
Total$133,170,468$149,369,541$155,725,966$255,715,901$133,212,765$204,264,640$290,332,196