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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $67,660 | $36,695 | $34,577 | $13,474 | $243,361 | $832,081 | $214,955 |
| Alkali/alkaline-earth metals other than sodium & calcium | $293,464 | $139,288 | $163,009 | $369,975 | $725,056 | $1,025,255 | $177,667 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $355,446 | | $1,564 | | | | $38,070 |
| Mercury | $408,031 | $1,896 | $171,411 | $307,401 | $117,402 | $182,718 | $13,104 |
| Total | $1,124,601 | $177,879 | $370,561 | $690,850 | $1,085,819 | $2,040,054 | $443,796 |
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