Commodity2005200620072008200920102011
Carbides, of calcium, whether or not chemically defined $11,028$3,528$32,781$1$8,290 
Carbides, of silicon, whether or not chemically defined  $62,054  $292$193
Carbides other than of carbon/silicon, whether or not chemically defined$10,738$21,809$2,944$6,763$15,857$68,960$9,346
Total$10,738$32,837$68,526$39,544$15,858$77,542$9,539