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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $83,736 | $204,963 | $257,689 | $11,051 | $454,960 | $43,903 | $15,633 |
| Alkali/alkaline-earth metals other than sodium & calcium | $680,204 | $286,208 | $151,744 | $167,761 | $204,538 | $59,745 | $110,325 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $14,267 | $7,277 | $7,506 | $178,796 | $62,834 | $83,140 | $2,325,634 |
| Mercury | $63,467 | $67,392 | $96,462 | $33,069 | $23,231 | $17,594 | $1,494,298 |
| Total | $841,674 | $565,840 | $513,401 | $390,677 | $745,563 | $204,382 | $3,945,890 |
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