Commodity2005200620072008200920102011
Copper waste & scrap$89,921,320$136,695,592$114,598,059$101,672,832$63,429,829$119,714,921$183,909,670
Total$89,921,320$136,695,592$114,598,059$101,672,832$63,429,829$119,714,921$183,909,670