Commodity2005200620072008200920102011
Copper waste & scrap$46,624,406$81,122,534$106,726,175$98,216,543$62,334,183$125,795,767$146,267,284
Total$46,624,406$81,122,534$106,726,175$98,216,543$62,334,183$125,795,767$146,267,284