Commodity200520062007200820092011
Carbon electrodes, other than of a kind used for furnaces$10 $13,123$55 $1,113
Carbon brushes $340  $58 
Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... $75   $99
Total$10$415$13,123$55$58$1,212