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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $538,019 | $673,122 | $729,955 | $644,142 | $263,427 | $500,487 | $359,211 |
| Alkali/alkaline-earth metals other than sodium & calcium | $234,856 | $167,307 | $277,215 | $229,888 | $168,129 | $162,076 | $113,023 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $12,113,517 | $3,289,313 | $13,633,493 | $4,930,082 | $457,468 | $1,015,431 | $1,215,607 |
| Mercury | $216,155 | $224,377 | $1,126,951 | $850,789 | $528,276 | $2,212,037 | $716,410 |
| Total | $13,102,547 | $4,354,119 | $15,767,614 | $6,654,901 | $1,417,300 | $3,890,031 | $2,404,251 |
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