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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $161,677 | $41,459 | $26,084 | $288,822 | $90,693 | $59,684 |
| Carbides, of silicon, whether or not chemically defined | $48,194,606 | $54,923,485 | $53,872,400 | $60,253,211 | $35,435,988 | $63,486,675 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $21,429,636 | $14,108,716 | $22,703,780 | $20,098,157 | $3,684,941 | $1,908,566 |
| Total | $69,785,919 | $69,073,660 | $76,602,264 | $80,640,190 | $39,211,622 | $65,454,925 |
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