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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $25,183 | $38,720 | $33,240 | $29,866 | $12,645 | $2,643 | $6,475 |
| Alkali/alkaline-earth metals other than sodium & calcium | $83,585 | $83,147 | $25,524 | $8,775 | $10,801 | $9,739 | $8,480 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $511,557 | $507,846 | $837,973 | $881,354 | $477,875 | $837,564 | $3,100,729 |
| Mercury | $453,958 | $424,428 | $392,201 | $293,426 | $290,571 | $198,539 | $225,401 |
| Total | $1,074,283 | $1,054,141 | $1,288,938 | $1,213,421 | $791,892 | $1,048,485 | $3,341,085 |
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