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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Carbides, of calcium, whether or not chemically defined | $221,356 | $256,889 | $278,281 | $309,579 | $435,168 |
| Carbides, of silicon, whether or not chemically defined | $10,746 | $9,537 | $12,700 | $11,804 | $11,179 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $15,418 | $6,022 | $11,917 | $19,418 | $63,644 |
| Total | $247,520 | $272,448 | $302,898 | $340,801 | $509,991 |
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