Commodity20052006200720102011
Carbon electrodes, other than of a kind used for furnaces $1,067$3,968$33,801$1,689
Carbon brushes$9,324 $123,396  
Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ...   $270 
Total$9,324$1,067$127,364$34,071$1,689