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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $2,257,407 | $1,687,227 | $899,414 | $1,700,093 | $2,636,044 | $2,478,284 | $2,002,642 |
| Carbides, of silicon, whether or not chemically defined | $5,358,839 | $4,720,993 | $5,759,786 | $8,621,530 | $3,820,431 | $7,568,844 | $9,163,702 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $733,992 | $1,132,440 | $615,719 | $1,672,437 | $638,323 | $890,226 | $2,547,956 |
| Total | $8,350,238 | $7,540,660 | $7,274,919 | $11,994,060 | $7,094,798 | $10,937,354 | $13,714,300 |
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