Commodity2005200620072008200920102011
Copper waste & scrap$32,144,264$59,108,804$46,180,555$53,302,486$58,646,636$63,480,495$30,463,780
Total$32,144,264$59,108,804$46,180,555$53,302,486$58,646,636$63,480,495$30,463,780