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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $205,396 | $221,510 | $335,991 | $357,610 | $241,035 | $177,315 | $139,745 |
| Carbides, of silicon, whether or not chemically defined | $2,143 | $31,590 | $10,879 | $40,601 | $14,301 | $11,551 | $10,119 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $15,957 | $20,939 | $59,569 | $150,172 | $132,066 | $210,330 | $223,498 |
| Total | $223,496 | $274,039 | $406,439 | $548,383 | $387,402 | $399,196 | $373,362 |
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