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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $61,754 | $24,875 | $59,543 | $4,342 | $20,162 | $26,640 | $29,155 |
| Alkali/alkaline-earth metals other than sodium & calcium | $9,530 | $6,225 | $33,277 | $29,264 | $195,919 | $54,709 | $127,379 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $516,690 | $401,604 | $456,542 | $693,196 | $596,168 | $1,296,039 | $2,173,301 |
| Mercury | $297,288 | $406,662 | $195,819 | $422,505 | $241,120 | $239,408 | $306,521 |
| Total | $885,262 | $839,366 | $745,181 | $1,149,307 | $1,053,369 | $1,616,796 | $2,636,356 |
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