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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $47,671 | $3,449 | $30,053 | $70,821 | $61,468 | $127,507 | $711 |
| Alkali/alkaline-earth metals other than sodium & calcium | $27,132 | $10,631 | $11,837 | $43,251 | $152,525 | $82,877 | $220,155 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $528 | $752 | $1,004 | | | $6,867 | $1,573 |
| Mercury | $3,625 | $26,185 | $4,312 | $6,364 | $1,978 | $4,991 | $1,168 |
| Total | $78,956 | $41,017 | $47,206 | $120,436 | $215,971 | $222,242 | $223,607 |
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