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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $1,077,474 | $151,863 | $252,725 | $270,060 | $793,064 | $1,126,847 | $1,592,803 |
| Alkali/alkaline-earth metals other than sodium & calcium | $2,378,914 | $2,710,780 | $4,160,619 | $5,122,826 | $5,259,363 | $1,288,957 | $1,808,788 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $788,457 | $848,222 | $559,473 | $604,024 | $623,810 | $1,088,183 | $9,463,897 |
| Mercury | $3,162,000 | $2,220,120 | $4,851,265 | $4,806,118 | $1,668,162 | $729,008 | $720,847 |
| Total | $7,406,845 | $5,930,985 | $9,824,082 | $10,803,028 | $8,344,399 | $4,232,995 | $13,586,335 |
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