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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $559,124 | $638,620 | $463,644 | $362,242 | $197,720 | $265,407 | $224,489 |
| Alkali/alkaline-earth metals other than sodium & calcium | $60,719 | $6,239 | $306,339 | $636,770 | $16,415 | $4,980 | $33,109 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $15,042 | $7,193 | | | | $3,632 | |
| Mercury | $135,263 | $420,561 | $23,926 | $7,049 | $20,108 | $57,301 | $6,836 |
| Total | $770,148 | $1,072,613 | $793,909 | $1,006,061 | $234,243 | $331,320 | $264,434 |
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