|
| Commodity | 2005 | 2007 | 2008 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $6,607 | $14,104 | | $59,916 |
| Carbides, of silicon, whether or not chemically defined | $7,573 | | $7,749 | |
| Carbides other than of carbon/silicon, whether or not chemically defined | | | | $9,577 |
| Total | $14,180 | $14,104 | $7,749 | $69,493 |
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