Commodity200520062007200820092010
Unrefined copper; copper anodes for electrolytic refining$2,280,554$25,571,460$17,287,912$17,228,338$5,854,312$8,400,730
Total$2,280,554$25,571,460$17,287,912$17,228,338$5,854,312$8,400,730