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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $3,976,688 | $5,827,990 | $2,074,098 | $1,752,463 | $1,142,665 | $1,742,058 | $68,237,411 |
| Carbides, of silicon, whether or not chemically defined | $138,720,988 | $129,675,228 | $146,259,836 | $159,536,621 | $78,525,445 | $174,643,949 | $211,213,353 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $156,213,966 | $177,081,290 | $154,745,988 | $164,431,185 | $62,932,845 | $133,019,110 | $192,244,569 |
| Total | $298,911,642 | $312,584,508 | $303,079,922 | $325,720,269 | $142,600,955 | $309,405,117 | $471,695,333 |
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