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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $857,331 | $2,297,667 | $3,641,582 | $6,330,700 | $3,643,892 | $4,356,999 | $5,902,108 |
| Carbides, of silicon, whether or not chemically defined | $20,678,113 | $22,755,329 | $29,922,543 | $46,875,398 | $30,588,755 | $28,311,406 | $43,980,465 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $2,062,623 | $3,652,062 | $4,426,722 | $2,542,219 | $1,158,466 | $2,214,548 | $2,802,048 |
| Total | $23,598,067 | $28,705,058 | $37,990,847 | $55,748,317 | $35,391,113 | $34,882,953 | $52,684,621 |
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