Commodity2005200620072008200920102011
Master alloys of copper$568,847$1,574,591$1,897,890$3,896,859$1,951,129$3,489,199$1,524,063
Total$568,847$1,574,591$1,897,890$3,896,859$1,951,129$3,489,199$1,524,063