|
| Commodity | 2005 | 2006 | 2007 | 2010 |
| Germanium & arts. thereof , incl. waste & scrap | $1,312 | | | |
| Vanadium & arts. thereof , incl. waste & scrap | $423 | | | |
| Gallium, hafnium, indium, niobium (columbium) & rhenium, & arts. thereof , ... | $778,056 | $1,047,910 | $905,179 | $2,523,470 |
| Total | $779,791 | $1,047,910 | $905,179 | $2,523,470 |
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