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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Beryllium & arts. thereof , n.e.s. in 81.12 | | | $29 | | | $390 |
| Gallium, hafnium, indium, niobium (columbium) & rhenium, & arts. thereof , ... | $31,304 | $2,171 | $4,243 | $8,773 | $45,861 | $7,320 |
| Total | $31,304 | $2,171 | $4,272 | $8,773 | $45,861 | $7,710 |
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