Commodity2005200620072008200920102011
Copper waste & scrap$625,650$2,347,075$4,403,994$6,071,963$1,702,751$3,251,985$3,239,765
Total$625,650$2,347,075$4,403,994$6,071,963$1,702,751$3,251,985$3,239,765