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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $175,588 | $89,228 | $193,575 | $240,928 | $193,985 | $287,544 | $401,308 |
| Alkali/alkaline-earth metals other than sodium & calcium | $4,589,748 | $4,103,277 | $2,719,841 | $1,725,828 | $1,403,405 | $4,385,293 | $4,670,239 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $142,823 | $108,085 | $141,665 | $77,120 | $140,547 | $203,145 | $677,653 |
| Mercury | $96,264 | $118,060 | $103,236 | $142,142 | $32,454 | $68,927 | $1,018,943 |
| Total | $5,004,423 | $4,418,650 | $3,158,317 | $2,186,018 | $1,770,391 | $4,944,909 | $6,768,143 |
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