Commodity2005200620072008200920102011
Master alloys of copper$51,658,036$89,110,412$98,635,099$95,908,600$52,406,871$90,125,365$107,333,741
Total$51,658,036$89,110,412$98,635,099$95,908,600$52,406,871$90,125,365$107,333,741