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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $97,000 | $248,000 | | | $201,000 | $459,781 | $436,265 |
| Alkali/alkaline-earth metals other than sodium & calcium | $13,800,000 | $10,660,000 | $9,959,000 | $12,739,000 | $7,753,000 | $9,029,988 | $16,050,509 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $82,000 | $80,000 | $192,000 | $115,000 | $152,000 | $810,910 | $2,491,739 |
| Mercury | $2,322,000 | $2,480,000 | $2,287,000 | $3,616,000 | $3,653,000 | $4,057,201 | $8,659,115 |
| Total | $16,301,000 | $13,468,000 | $12,438,000 | $16,470,000 | $11,759,000 | $14,357,880 | $27,637,628 |
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