Commodity2005200620072008200920102011
Master alloys of copper$642,497$2,486,727$3,329,286$2,910,215$1,392,328$1,856,283$2,267,797
Total$642,497$2,486,727$3,329,286$2,910,215$1,392,328$1,856,283$2,267,797