Commodity2005200620072008200920102011
Copper waste & scrap$1,864,219$6,197,697$6,045,293$2,525,256$1,082,344$915,246$15,141,631
Total$1,864,219$6,197,697$6,045,293$2,525,256$1,082,344$915,246$15,141,631