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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Sodium | $203,743 | $81,448 | $11,934 | $74,446 | $107,824 |
| Alkali/alkaline-earth metals other than sodium & calcium | $1,326,804 | $152,465 | $54,214 | $18,116 | $7,441 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $55,560 | $638,716 | | $127,036 | $202,939 |
| Mercury | $246 | | $5,757 | $6,138 | $101,769 |
| Total | $1,586,353 | $872,629 | $71,905 | $225,736 | $419,973 |
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