Commodity2005200620072008200920102011
Copper waste & scrap$22,687,381$59,938,718$203,955,591$155,706,592$36,977,710$69,911,220$120,382,613
Total$22,687,381$59,938,718$203,955,591$155,706,592$36,977,710$69,911,220$120,382,613