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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $2,694,605 | $2,875,111 | $3,570,588 | $5,020,449 | $3,499,387 | $2,525,501 | $2,759,325 |
| Carbides, of silicon, whether or not chemically defined | $238,152 | $290,811 | $357,072 | $419,863 | $491,534 | $560,503 | $866,500 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $42,055 | $36,707 | $49,604 | $73,141 | $31,810 | $32,740 | $80,082 |
| Total | $2,974,812 | $3,202,629 | $3,977,264 | $5,513,453 | $4,022,731 | $3,118,744 | $3,705,907 |
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