Commodity200520062008200920102011
Carbides, of calcium, whether or not chemically defined  $76,500   
Carbides, of silicon, whether or not chemically defined$20,192,158$18,062,550$22,132,872$23,274,630$26,095,220$7,798,684
Carbides other than of carbon/silicon, whether or not chemically defined     $1,113
Total$20,192,158$18,062,550$22,209,372$23,274,630$26,095,220$7,799,797