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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $1,559 | $860 | $1,116 | $77,432 | $584 | $1,187 | $199 |
| Alkali/alkaline-earth metals other than sodium & calcium | $5,233 | $412 | $1,290 | $336 | $27 | $136,482 | $69,695 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $12,995 | $14,208 | $14,975 | $15,489 | | $36,365 | $4,192 |
| Mercury | $3,047 | $43 | $3,358 | $156 | $520 | $8,153 | $13,701 |
| Total | $22,834 | $15,523 | $20,739 | $93,413 | $1,131 | $182,187 | $87,787 |
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