Commodity2005200620072008200920102011
Copper ores & concs.$576,423$57,758,162$167,453,527$148,105,237$75,268,308$43,374,020$74,541,747
Total$576,423$57,758,162$167,453,527$148,105,237$75,268,308$43,374,020$74,541,747