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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 | 2011 |
| Beryllium & arts. thereof , n.e.s. in 81.12 | | | | $2,938 | $609 | $100 |
| Gallium, hafnium, indium, niobium (columbium) & rhenium, & arts. thereof , ... | $1,872 | $1,356 | $384 | $395 | $414 | |
| Total | $1,872 | $1,356 | $384 | $3,333 | $1,023 | $100 |
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