Commodity2005200620072008200920102011
Copper waste & scrap$60,666,662$87,308,996$80,410,509$146,989,217$142,392,310$315,202,152$296,025,630
Total$60,666,662$87,308,996$80,410,509$146,989,217$142,392,310$315,202,152$296,025,630