Commodity2005200620072008200920102011
Copper waste & scrap$28,437,185$45,821,700$49,924,167$52,905,793$25,802,542$29,592,332$41,918,974
Total$28,437,185$45,821,700$49,924,167$52,905,793$25,802,542$29,592,332$41,918,974