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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $6,972,328 | $3,373,716 | $2,741,760 | $5,625,759 | $5,559,742 | $2,688,249 | $933,485 |
| Carbides, of silicon, whether or not chemically defined | $5,998,979 | $6,520,664 | $7,203,736 | $7,234,174 | $1,748,704 | $5,725,788 | $14,352,915 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $966,620 | $2,434,231 | $2,010,590 | $3,350,354 | $3,135,210 | $4,079,817 | $9,072,975 |
| Total | $13,937,927 | $12,328,611 | $11,956,086 | $16,210,287 | $10,443,656 | $12,493,854 | $24,359,375 |
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