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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tantalum & arts. thereof , n.e.s. in 81.03 | $7,093,552 | $11,550,548 | $7,398,025 | $11,010,534 | $5,389,875 | $9,350,169 | $30,316,247 |
| Total | $7,093,552 | $11,550,548 | $7,398,025 | $11,010,534 | $5,389,875 | $9,350,169 | $30,316,247 |
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