Commodity2005200620072008200920102011
Carbon (carbon blacks & oth. forms of carbon, n.e.s.)$56,135,193$49,520,195$43,411,059$35,056,341$17,760,406$6,552,446$7,552,648
Total$56,135,193$49,520,195$43,411,059$35,056,341$17,760,406$6,552,446$7,552,648