Commodity200520062007200920102011
Carbides, of calcium, whether or not chemically defined$58,954$69,124$81,942$17,927$29,576$33,230
Carbides, of silicon, whether or not chemically defined  $627   
Carbides other than of carbon/silicon, whether or not chemically defined$485   $44 
Total$59,439$69,124$82,569$17,927$29,620$33,230