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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $6,688 | $9,290 | $9,111 | $19,732 | $18,858 | $31,114 | $6,618 |
| Carbides, of silicon, whether or not chemically defined | $313,161 | $162,063 | $311,677 | $600,215 | $372,424 | $1,245,121 | $1,735,652 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $25,015,920 | $25,155,788 | $25,817,815 | $30,435,865 | $14,617,808 | $33,175,121 | $41,308,283 |
| Total | $25,335,769 | $25,327,141 | $26,138,603 | $31,055,812 | $15,009,090 | $34,451,356 | $43,050,553 |
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