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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $8,262,849 | $9,311,402 | $8,727,677 | $13,825,470 | $10,250,984 | $14,487,093 | $15,523,566 |
| Carbides, of silicon, whether or not chemically defined | $10,951,708 | $14,436,571 | $37,601,257 | $31,817,565 | $25,290,047 | $37,988,933 | $52,875,908 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $1,344,563 | $3,818,481 | $9,025,061 | $12,717,295 | $5,797,824 | $9,404,049 | $11,183,376 |
| Total | $20,559,120 | $27,566,454 | $55,353,995 | $58,360,330 | $41,338,855 | $61,880,075 | $79,582,850 |
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