Commodity2005200620072008200920102011
Master alloys of copper$4,185,375$3,552,983$3,698,014$3,664,284$3,014,657$5,120,742$14,774,702
Total$4,185,375$3,552,983$3,698,014$3,664,284$3,014,657$5,120,742$14,774,702