Commodity2005200620072008200920102011
Copper waste & scrap$11,485,328$24,555,573$22,352,098$15,598,570$8,364,540$11,592,308$9,055,539
Total$11,485,328$24,555,573$22,352,098$15,598,570$8,364,540$11,592,308$9,055,539