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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium | $92 | $1,701 | $970 | $1,967 | $27,849 | $30,342 |
| Alkali/alkaline-earth metals other than sodium & calcium | $6,174 | $8,007 | $30,188 | $6,872 | $4,266 | $29,352 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | $14 | $2,233 | | | |
| Mercury | $264,501 | $159,699 | $251,813 | $247,316 | $258,491 | $345,526 |
| Total | $270,767 | $169,421 | $285,204 | $256,155 | $290,606 | $405,220 |
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