Commodity2005200620072008200920102011
Copper waste & scrap$83,804,408$181,043,194$189,466,914$177,410,537$165,616,630$290,430,363$343,763,871
Total$83,804,408$181,043,194$189,466,914$177,410,537$165,616,630$290,430,363$343,763,871