Commodity2005200620072008200920102011
Copper waste & scrap$9,500,487$25,385,540$56,391,034$65,347,770$31,134,684$52,860,094$55,616,512
Total$9,500,487$25,385,540$56,391,034$65,347,770$31,134,684$52,860,094$55,616,512