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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $460,305 | $139,831 | $62,341 | $875,011 | $372,071 | $424,475 | $1,102,123 |
| Alkali/alkaline-earth metals other than sodium & calcium | $220,454 | $290,569 | $487,543 | $3,827,328 | $786,756 | $169,908 | $265,451 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $168,557 | $172,848 | $92,163 | $5,877 | $5,256 | $18,546 | $26,907 |
| Mercury | $2,180,970 | $2,154,452 | $2,168,299 | $2,479,055 | $3,979,439 | $5,610,558 | $26,046,299 |
| Total | $3,030,286 | $2,757,700 | $2,810,346 | $7,187,271 | $5,143,522 | $6,223,487 | $27,440,780 |
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