Commodity2005200620072008200920102011
Carbon (carbon blacks & oth. forms of carbon, n.e.s.)$28,117,963$38,703,210$44,116,623$59,059,604$41,726,571$71,692,638$95,097,840
Total$28,117,963$38,703,210$44,116,623$59,059,604$41,726,571$71,692,638$95,097,840