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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $3,361,047 | $3,352,374 | $3,409,414 | $5,907,951 | $5,521,439 | $4,024,768 | $4,950,461 |
| Carbides, of silicon, whether or not chemically defined | $4,350,371 | $3,460,922 | $3,172,946 | $6,029,178 | $2,752,742 | $3,774,831 | $3,972,593 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $1,541,859 | $4,399,453 | $6,089,090 | $7,607,987 | $2,784,406 | $4,391,331 | $4,604,182 |
| Total | $9,253,277 | $11,212,749 | $12,671,450 | $19,545,116 | $11,058,587 | $12,190,930 | $13,527,236 |
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