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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $2,465,945 | $1,312,339 | $2,326,738 | $1,200,944 | $1,424,206 | $1,003,305 | $1,999,705 |
| Carbides, of silicon, whether or not chemically defined | $69,900 | $78,592 | $12,168 | $295,426 | $39,459 | $58,970 | $93,191 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $16,009 | $3,582 | $8,232 | $57,473 | $440,836 | $974,963 | $660,319 |
| Total | $2,551,854 | $1,394,513 | $2,347,138 | $1,553,843 | $1,904,501 | $2,037,238 | $2,753,215 |
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