Commodity2005200620072008200920102011
Carbon (carbon blacks & oth. forms of carbon, n.e.s.)$66,046,866$98,959,104$98,027,596$138,551,740$106,734,329$247,303,377$333,368,732
Total$66,046,866$98,959,104$98,027,596$138,551,740$106,734,329$247,303,377$333,368,732