Commodity2005200620072008
Carbides, of calcium, whether or not chemically defined$75,958$18,891$26,297$137,343
Carbides, of silicon, whether or not chemically defined$130$680$13 
Carbides other than of carbon/silicon, whether or not chemically defined$12,089$30,699$1,166$9,019
Total$88,177$50,270$27,476$146,362