Commodity200520062007200820092010
Carbon (carbon blacks & oth. forms of carbon, n.e.s.)$18,471,089$22,696,402$30,599,841$30,260,490$16,276,521$18,558,986
Total$18,471,089$22,696,402$30,599,841$30,260,490$16,276,521$18,558,986