|
| Commodity | 2006 | 2007 | 2008 | 2010 |
| Beryllium & arts. thereof , n.e.s. in 81.12 | | | | $1,435 |
| Germanium & arts. thereof , incl. waste & scrap | $17,050 | | | |
| Gallium, hafnium, indium, niobium (columbium) & rhenium, & arts. thereof , ... | | $1,031,032 | $232,210 | |
| Total | $17,050 | $1,031,032 | $232,210 | $1,435 |
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