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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cerium comps. | $15,962,986 | $7,827,491 | $5,707,708 | $6,857,725 | $5,479,531 | $5,215,513 | $5,440,529 |
| Compounds, inorganic/organic, of rare-earth metals/yttrium/scandium/mixts. ... | $16,500,878 | $39,759,641 | $57,449,591 | $16,655,996 | $29,976,210 | $31,450,936 | $60,541,731 |
| Total | $32,463,864 | $47,587,132 | $63,157,299 | $23,513,721 | $35,455,741 | $36,666,449 | $65,982,260 |
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