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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $4,362 | $8,446 | $1,308 | $157,534 | $195,304 | $284,371 | $601,806 |
| Alkali/alkaline-earth metals other than sodium & calcium | $199,416 | $140,150 | $23,755 | $94,951 | $865,186 | $11,247 | $42,061 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $96,674 | $89,808 | | $27,122 | | $330 | $579 |
| Mercury | $416,098 | $390,502 | $636,005 | $50,099 | $1,086,255 | $259,060 | $394,497 |
| Total | $716,550 | $628,906 | $661,068 | $329,706 | $2,146,745 | $555,008 | $1,038,943 |
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