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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $10,827,000 | $9,760,000 | $11,107,000 | $13,201,000 | $7,224,000 | $11,478,592 | $13,408,787 |
| Alkali/alkaline-earth metals other than sodium & calcium | $14,303,000 | $18,110,000 | $22,053,000 | $22,040,000 | $16,397,000 | $18,574,545 | $22,132,375 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $4,417,000 | $5,568,000 | $7,744,000 | $8,783,000 | $2,909,000 | $11,384,527 | $24,408,750 |
| Mercury | $996,000 | $1,189,000 | $1,094,000 | $525,000 | $494,000 | $1,538,163 | $1,095,730 |
| Total | $30,543,000 | $34,627,000 | $41,998,000 | $44,549,000 | $27,024,000 | $42,975,827 | $61,045,642 |
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