Commodity2005200620072008200920102011
Copper waste & scrap$41,268,000$59,619,082$101,632,887$86,201,488$49,751,091$100,681,211$103,079,400
Total$41,268,000$59,619,082$101,632,887$86,201,488$49,751,091$100,681,211$103,079,400