Commodity2005200620072008200920102011
Copper waste & scrap$3,153,819$6,425,283$44,262,363$8,741,386$3,706,666$5,237,160$5,850,245
Total$3,153,819$6,425,283$44,262,363$8,741,386$3,706,666$5,237,160$5,850,245