Commodity2005200620072008200920102011
Copper mattes$12,648,606$159,981,798$458,170,875$181,426,998$190,416,146$333,445,305$304,729,413
Total$12,648,606$159,981,798$458,170,875$181,426,998$190,416,146$333,445,305$304,729,413