Commodity2005200620072008200920102011
Master alloys of copper$2,263,142$4,214,309$4,915,521$5,390,704$5,134,998$9,715,399$8,502,884
Total$2,263,142$4,214,309$4,915,521$5,390,704$5,134,998$9,715,399$8,502,884