Commodity200520062008200920102011
Carbon (carbon blacks & oth. forms of carbon, n.e.s.)$20,495,539$6,166,068$30,740,537$13,168,771$46,867,087$38,696,277
Total$20,495,539$6,166,068$30,740,537$13,168,771$46,867,087$38,696,277