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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $12,736 | $83,579 | $316,754 | $550,476 | $452,000 | $593,434 |
| Carbides, of silicon, whether or not chemically defined | $809 | $2,653 | | $117,537 | $52,869 | $1,636 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $17,818 | $370,432 | $33,371 | $39,730 | | $28,674 |
| Total | $31,363 | $456,664 | $350,125 | $707,743 | $504,869 | $623,744 |
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