Commodity2005200620072008200920102011
Carbides, of calcium, whether or not chemically defined$205,396$221,510$335,991$357,610$241,035$177,315$139,745
Carbides, of silicon, whether or not chemically defined$2,143$31,590$10,879$40,601$14,301$11,551$10,119
Carbides other than of carbon/silicon, whether or not chemically defined$15,957$20,939$59,569$150,172$132,066$210,330$223,498
Total$223,496$274,039$406,439$548,383$387,402$399,196$373,362