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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $5 | $17 | $2,565 | $1,994 | $1,517 | $6 | $14 |
| Alkali/alkaline-earth metals other than sodium & calcium | $47,694 | $1,260 | $484 | $3,628 | $583 | $4,377 | $6,079 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | $498 | $4,895 | $37,270 | | $5,466 | $174 |
| Mercury | $33,987 | $278,439 | $543,439 | $191,645 | $425,955 | $1,312,549 | $378,372 |
| Total | $81,686 | $280,214 | $551,383 | $234,537 | $428,055 | $1,322,398 | $384,639 |
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