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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $229,045 | $592,895 | $540,583 | $667,612 | $621,134 | $718,604 | $374,217 |
| Alkali/alkaline-earth metals other than sodium & calcium | $12,698 | $6,373 | $113,737 | $196,181 | $225,996 | $230,162 | $137,836 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $71,312 | $99,391 | $24,579 | $30,084 | $34,839 | $52,781 | $24,091 |
| Mercury | $1,237,405 | $1,320,791 | $1,909,107 | $1,984,018 | $1,972,685 | $1,095,353 | $1,918,054 |
| Total | $1,550,460 | $2,019,450 | $2,588,006 | $2,877,895 | $2,854,654 | $2,096,900 | $2,454,198 |
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