Commodity200520062007200820092010
Unrefined copper; copper anodes for electrolytic refining$1,351,050$20,963,483$7,898,543$27,880,939$14,868,258$4,279,287
Total$1,351,050$20,963,483$7,898,543$27,880,939$14,868,258$4,279,287