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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $5,746,856 | $5,309,296 | $4,857,769 | $5,232,610 | $2,987,696 | $3,396,041 | $5,217,748 |
| Carbides, of silicon, whether or not chemically defined | $6,027,019 | $4,861,580 | $2,499,748 | $3,323,710 | $4,481,618 | $4,843,480 | $2,984,817 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $483,505 | $1,076,270 | $1,271,387 | $857,380 | $417,327 | $1,015,698 | $2,239,913 |
| Total | $12,257,380 | $11,247,146 | $8,628,904 | $9,413,700 | $7,886,641 | $9,255,219 | $10,442,478 |
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