Commodity2005200620072008200920102011
Tin waste & scrap$4,875,820$6,288,631$5,376,330$1,501,661$1,448,117$3,814,957$6,944,623
Total$4,875,820$6,288,631$5,376,330$1,501,661$1,448,117$3,814,957$6,944,623