Commodity2005200620072008200920102011
Copper waste & scrap$29,443,939$51,751,666$56,463,497$70,491,563$38,605,425$58,324,896$57,650,198
Total$29,443,939$51,751,666$56,463,497$70,491,563$38,605,425$58,324,896$57,650,198