Commodity2005200620072008200920102011
Carbides, of calcium, whether or not chemically defined$504,188$421,972$479,630$390,639$412,722$403,919$317,223
Carbides, of silicon, whether or not chemically defined     $1,761 
Carbides other than of carbon/silicon, whether or not chemically defined  $120,507$16,622   
Total$504,188$421,972$600,137$407,261$412,722$405,680$317,223