Commodity2005200620072008200920102011
Copper waste & scrap$2,664,991$48,861,224$14,805,147$5,039,313$7,048,066$61,948,962$60,922,906
Total$2,664,991$48,861,224$14,805,147$5,039,313$7,048,066$61,948,962$60,922,906