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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $3,182 | $6,357 | $10,976 | $11,842 | $1,687 | $6,794 | $5,731 |
| Alkali/alkaline-earth metals other than sodium & calcium | $865 | $3,112 | $255 | | $1,027 | | $242 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | $401 | $3,319 | $2,325 | $717 | $1,308 |
| Mercury | $4,484 | $1,367 | $4,377 | $1,863 | $294 | $1,484 | $3,055 |
| Total | $8,531 | $10,836 | $16,009 | $17,024 | $5,333 | $8,995 | $10,336 |
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