Commodity2005200620072008200920102011
Copper waste & scrap$279,056$1,574,715$1,994,403$2,521,207$2,005,971$1,874,504$1,812,496
Total$279,056$1,574,715$1,994,403$2,521,207$2,005,971$1,874,504$1,812,496