Commodity2005200620072008200920102011
Copper waste & scrap$2,351,682$3,954,403$5,076,983$5,214,851$2,812,512$4,276,143$6,850,355
Total$2,351,682$3,954,403$5,076,983$5,214,851$2,812,512$4,276,143$6,850,355