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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $11,672,205 | $13,548,253 | $10,712,892 | $505,697 | $143,811 | $141,317 | $235,527 |
| Carbides, of silicon, whether or not chemically defined | $57,793 | $117,338 | $206,475 | $316,537 | $164,302 | $550,372 | $1,548,073 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $20,114 | $21,766 | $16,164 | $15,283 | $8,293 | $13,661 | $12,585 |
| Total | $11,750,112 | $13,687,357 | $10,935,531 | $837,517 | $316,406 | $705,350 | $1,796,185 |
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