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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $785,472 | $918,185 | $1,002,482 | $1,139,077 | $865,609 | $659,686 | $555,603 |
| Alkali/alkaline-earth metals other than sodium & calcium | $687 | $10,009 | $521 | $112,362 | $39,645 | $42,368 | $21,975 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $13,420 | $352 | $11,108 | $21,238 | $9,803 | $3,708 | $2,167 |
| Mercury | $17,380 | $11,727 | $17,886 | $14,964 | $6,512 | $2,948 | $1,799 |
| Total | $816,959 | $940,273 | $1,031,997 | $1,287,641 | $921,569 | $708,710 | $581,544 |
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