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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $233,111 | $41,513 | $23,645 | $29,018 | $2,491 | $2,800 | $13,081 |
| Carbides, of silicon, whether or not chemically defined | $33,878,132 | $31,403,794 | $43,652,392 | $54,501,367 | $35,134,421 | $43,693,323 | $60,419,805 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $1,223,149 | $3,520,719 | $4,083,525 | $2,862,656 | $2,353,172 | $5,363,002 | $6,502,649 |
| Total | $35,334,392 | $34,966,026 | $47,759,562 | $57,393,041 | $37,490,084 | $49,059,125 | $66,935,535 |
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