Commodity2005200620072008200920102011
Copper waste & scrap$1,257,286$4,171,611$7,829,317$9,361,690$4,555,390$146,109,593$11,539,394
Total$1,257,286$4,171,611$7,829,317$9,361,690$4,555,390$146,109,593$11,539,394