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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $114 | $4,079 | $1,482 | $952 | $17,089 | $23,416 | $187,028 |
| Alkali/alkaline-earth metals other than sodium & calcium | $1,957 | | | $14,431 | $44,689 | $19,794 | $6,252 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $14,823 | $7,554 | | $2 | $2,672 | | $53 |
| Mercury | $42,757 | $51,291 | $49,788 | $58,715 | $53,467 | | $3,302 |
| Total | $59,651 | $62,924 | $51,270 | $74,100 | $117,917 | $43,210 | $196,635 |
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