Commodity2005200620072008200920102011
Copper waste & scrap$10,186,964$21,058,210$4,815,953$7,549,338$7,603,306$18,456,083$61,164,584
Total$10,186,964$21,058,210$4,815,953$7,549,338$7,603,306$18,456,083$61,164,584