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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $8,849,571 | $10,524,147 | $11,253,973 | $22,030,366 | $16,310,504 | $13,246,833 | $16,189,670 |
| Carbides, of silicon, whether or not chemically defined | $14,510,764 | $27,450,707 | $26,924,551 | $33,665,734 | $19,358,915 | $31,074,803 | $47,502,181 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $228,260 | $82,871 | $2,394,911 | $1,801,013 | $1,545,090 | $1,311,301 | $1,704,705 |
| Total | $23,588,595 | $38,057,725 | $40,573,435 | $57,497,113 | $37,214,509 | $45,632,937 | $65,396,556 |
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