Commodity2005200620072008200920102011
Copper waste & scrap$43,015,627$94,914,622$124,777,028$208,942,098$154,750,895$367,063,328$240,685,436
Total$43,015,627$94,914,622$124,777,028$208,942,098$154,750,895$367,063,328$240,685,436