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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $487,743 | $1,762,498 | $6,714,170 | $56,054 | $69,466 | $164,370 | $166,957 |
| Carbides, of silicon, whether or not chemically defined | $980,463 | $2,896,071 | $3,199,968 | $5,093,576 | $5,710,126 | $9,498,968 | $12,801,397 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $8,100,017 | $13,629,232 | $14,736,045 | $12,585,692 | $8,394,302 | $11,500,565 | $17,131,138 |
| Total | $9,568,223 | $18,287,801 | $24,650,183 | $17,735,322 | $14,173,894 | $21,163,903 | $30,099,492 |
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