Commodity2005200620072008200920102011
Master alloys of copper$15,619,664$24,963,229$24,944,125$25,287,494$15,596,545$20,850,158$30,498,928
Total$15,619,664$24,963,229$24,944,125$25,287,494$15,596,545$20,850,158$30,498,928