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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $162,194 | $184,362 | $389,202 | $402,933 | $367,627 | $227,537 | $29,180 |
| Carbides, of silicon, whether or not chemically defined | $5,942,931 | $7,396,040 | $8,668,746 | $13,518,345 | $10,499,088 | $11,556,162 | $12,967,108 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $65,023 | $104,847 | $145,846 | $920,893 | $360,025 | $173,843 | $301,645 |
| Total | $6,170,148 | $7,685,249 | $9,203,794 | $14,842,171 | $11,226,740 | $11,957,542 | $13,297,933 |
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