Commodity2005200620072008200920102011
Tin waste & scrap$1,045,804$504,826$2,073,188$11,214,150$15,268,297$15,448,879$20,147,134
Total$1,045,804$504,826$2,073,188$11,214,150$15,268,297$15,448,879$20,147,134