Commodity2005200620072008200920102011
Copper waste & scrap$11,312,530$12,879,735$13,065,100$23,861,603$16,584,425$18,117,058$13,713,892
Total$11,312,530$12,879,735$13,065,100$23,861,603$16,584,425$18,117,058$13,713,892