Commodity2005200620072008200920102011
Copper waste & scrap$4,218,206$11,880,653$29,272,574$32,615,363$26,249,745$48,795,549$59,569,576
Total$4,218,206$11,880,653$29,272,574$32,615,363$26,249,745$48,795,549$59,569,576