|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $61 | $3,679 | | | $17 | $49,773 | |
| Alkali/alkaline-earth metals other than sodium & calcium | $21 | | | $54,188 | $564 | $2,319 | $948 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | $327,924 | | | $133 | $3,340 |
| Mercury | $582,579 | $291,300 | $505,373 | $417,054 | $88,884 | $246,049 | $151,015 |
| Total | $582,661 | $294,979 | $833,297 | $471,242 | $89,465 | $298,274 | $155,303 |
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