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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $1,609,161 | $297,321 | $2,478,620 | $3,744,794 | $3,130,580 | $3,138,489 | $3,148,151 |
| Carbides, of silicon, whether or not chemically defined | $1,309,414 | $2,485,458 | $3,702,870 | $5,541,012 | $6,783,640 | $7,393,388 | $11,020,703 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $259,825 | $400,612 | $237,788 | $621,866 | $136,397 | $559,328 | $514,483 |
| Total | $3,178,400 | $3,183,391 | $6,419,278 | $9,907,672 | $10,050,617 | $11,091,205 | $14,683,337 |
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