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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $738,463 | $2,474,198 | $3,111,617 | $731,043 | $2,057,365 | $2,498,879 | $1,329,959 |
| Carbides, of silicon, whether or not chemically defined | $7,309 | $31,929 | $8,863 | $91,264 | $60,050 | $4,023 | $117,186 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $1,721 | $36,011 | $1,176 | $24,731 | $1,775 | $55,670 | $153,426 |
| Total | $747,493 | $2,542,138 | $3,121,656 | $847,038 | $2,119,190 | $2,558,572 | $1,600,571 |
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