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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | | $7,918 | $19,393 | $15,779 | $54 | $69 | $173 |
| Alkali/alkaline-earth metals other than sodium & calcium | $17,654 | $16,850 | $16,673 | $6,562 | $65,213 | $9,210 | $44,758 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | $6,936 | $3,685 | $29 | $54 | | |
| Mercury | $635,091 | $394,982 | $399,268 | $645,357 | $124,793 | $304,206 | $461 |
| Total | $652,745 | $426,686 | $439,019 | $667,727 | $190,114 | $313,485 | $45,392 |
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