|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Germanium & arts. thereof , incl. waste & scrap | $2,447,953 | $1,792,114 | | | | | |
| Vanadium & arts. thereof , incl. waste & scrap | $245,478 | | | | | | |
| Gallium, hafnium, indium, niobium (columbium) & rhenium, & arts. thereof , ... | $1,608,660 | $18,520,331 | $21,301,446 | $11,254,347 | $11,215,265 | $10,305,238 | $20,215,234 |
| Total | $4,302,091 | $20,312,445 | $21,301,446 | $11,254,347 | $11,215,265 | $10,305,238 | $20,215,234 |
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