Commodity2005200620072008200920102011
Copper waste & scrap$8,044,500$18,265,400$19,774,500$20,056,500$12,203,400$16,546,300$19,594,300
Total$8,044,500$18,265,400$19,774,500$20,056,500$12,203,400$16,546,300$19,594,300