|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Zirconium ores & concs. | | | | | $52,012 | $1,366,823 | |
| Niobium/tantalum/vanadium ores & concs. | $12,489,577 | $11,052,686 | $19,654,342 | $37,631,971 | $18,029,798 | $18,979,432 | $39,000,318 |
| Total | $12,489,577 | $11,052,686 | $19,654,342 | $37,631,971 | $18,081,810 | $20,346,255 | $39,000,318 |
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