Commodity2005200620072008200920102011
Carbides, of calcium, whether or not chemically defined$768,906$878,410$687,389$793,583$1,346,852$486,052$644,707
Carbides, of silicon, whether or not chemically defined$541$633 $2,272$1,727$795 
Carbides other than of carbon/silicon, whether or not chemically defined$534   $54  
Total$769,981$879,043$687,389$795,855$1,348,633$486,847$644,707