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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium | $1,866 | $75 | $15,956 | $151 | $1,331 | $99 |
| Alkali/alkaline-earth metals other than sodium & calcium | $275 | $695 | $592 | $13,822 | $1,124 | $347 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | $4,206 | | $7,740 | | $1,106 |
| Mercury | $15,568 | $43,945 | $26,376 | $28,576 | $26,841 | $249,921 |
| Total | $17,709 | $48,921 | $42,924 | $50,289 | $29,296 | $251,473 |
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