Commodity2005200620072008200920102011
Copper waste & scrap$52,398,133$109,100,211$116,262,386$118,943,820$72,304,368$107,542,698$156,218,493
Total$52,398,133$109,100,211$116,262,386$118,943,820$72,304,368$107,542,698$156,218,493