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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $12,290,820 | $16,187,650 | $16,582,106 | $22,306,425 | $19,072,079 | $25,448,422 | $31,310,196 |
| Carbides, of silicon, whether or not chemically defined | $6,360,833 | $8,051,788 | $8,059,369 | $4,817,868 | $3,756,395 | $5,082,080 | $5,346,742 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $9,400,984 | $13,512,407 | $15,653,450 | $15,445,876 | $9,021,882 | $22,190,462 | $68,489,979 |
| Total | $28,052,637 | $37,751,845 | $40,294,925 | $42,570,169 | $31,850,356 | $52,720,964 | $105,146,917 |
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