Commodity2005200620072008200920102011
Copper waste & scrap$32,476,381$53,107,626$63,074,199$61,543,470$54,983,173$108,894,142$124,711,129
Total$32,476,381$53,107,626$63,074,199$61,543,470$54,983,173$108,894,142$124,711,129