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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $218,798 | $184,676 | $1,373 | $178,292 | | $95,455 |
| Carbides, of silicon, whether or not chemically defined | $4,807,338 | $4,876,950 | $7,602,404 | $6,664,581 | $2,998,978 | $4,454,584 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $23,136,636 | $22,598,295 | $27,772,998 | $4,181,755 | $7,758,285 | $15,213,198 |
| Total | $28,162,772 | $27,659,921 | $35,376,775 | $11,024,628 | $10,757,263 | $19,763,237 |
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