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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Sodium | $346,642 | $856,653 | $697,729 | $487,143 | $579,948 |
| Alkali/alkaline-earth metals other than sodium & calcium | $1,906,396 | $1,557,027 | $3,485,978 | $12,991,010 | $3,039,784 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $49,357 | $571 | $201 | $1,762 | $239 |
| Mercury | | $150 | $36,165 | $645 | $1,338 |
| Total | $2,302,395 | $2,414,401 | $4,220,073 | $13,480,560 | $3,621,309 |
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