Commodity2005200620072008200920102011
Copper waste & scrap$2,930,857$11,094,760$73,452,170$134,617,074$54,460,157$133,053,960$246,412,980
Total$2,930,857$11,094,760$73,452,170$134,617,074$54,460,157$133,053,960$246,412,980