Commodity2005200620072008200920102011
Copper waste & scrap$7,391,502$24,393,955$8,212,010$11,482,743$23,907,214$42,509,764$85,484,089
Total$7,391,502$24,393,955$8,212,010$11,482,743$23,907,214$42,509,764$85,484,089