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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $6,890,224 | $8,211,966 | $9,537,587 | $8,643,191 | $6,434,185 | $8,357,000 | $9,406,091 |
| Carbides, of silicon, whether or not chemically defined | $26,033,514 | $25,189,562 | $26,303,089 | $32,785,723 | $16,934,544 | $26,893,006 | $40,239,754 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $11,122,091 | $16,792,491 | $17,706,970 | $17,769,388 | $6,523,414 | $16,690,511 | $30,277,380 |
| Total | $44,045,829 | $50,194,019 | $53,547,646 | $59,198,302 | $29,892,143 | $51,940,517 | $79,923,225 |
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