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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $5,658,127 | $5,557,554 | $6,017,233 | $6,970,397 | $5,608,612 | $6,020,246 | $6,590,658 |
| Carbides, of silicon, whether or not chemically defined | $447,093 | $225,199 | $52,238 | $572 | $1,725 | | $11,205 |
| Total | $6,105,220 | $5,782,753 | $6,069,471 | $6,970,969 | $5,610,337 | $6,020,246 | $6,601,863 |
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