Commodity2005200620072008200920102011
Copper ores & concs.$31,540,292$49,759,223$21,026,715$42,073,532$5,214,591$41,381,145$55,885,427
Total$31,540,292$49,759,223$21,026,715$42,073,532$5,214,591$41,381,145$55,885,427