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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $2,036,255 | $2,656,298 | $2,565,353 | $3,513,959 | $3,140,711 | $3,553,041 | $3,468,721 |
| Carbides, of silicon, whether or not chemically defined | $333,713 | $285,030 | $368,842 | $427,094 | $400,797 | $602,826 | $532,292 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $172,618 | $325,671 | $563,831 | $521,948 | $413,830 | $900,464 | $1,327,023 |
| Total | $2,542,586 | $3,266,999 | $3,498,026 | $4,463,001 | $3,955,338 | $5,056,331 | $5,328,036 |
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