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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $1,912,248 | $2,835,054 | $2,792,661 | $3,905,588 | $2,862,519 | $3,041,256 | $2,752,824 |
| Carbides, of silicon, whether or not chemically defined | $2,190,886 | $2,277,662 | $3,214,993 | $3,578,686 | $1,519,302 | $2,144,528 | $2,860,523 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $2,860,316 | $2,440,671 | $2,805,612 | $5,055,454 | $2,671,174 | $5,192,376 | $4,567,605 |
| Total | $6,963,450 | $7,553,387 | $8,813,266 | $12,539,728 | $7,052,995 | $10,378,160 | $10,180,952 |
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