Commodity2005200620072008200920102011
Copper waste & scrap$41,950,751$101,354,138$48,316,018$25,954,969$9,356,866$20,972,670$56,121,966
Total$41,950,751$101,354,138$48,316,018$25,954,969$9,356,866$20,972,670$56,121,966