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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $422,845 | $101,908 | $159,421 | $1,312,188 | $216,576 | $517,919 | $528,031 |
| Alkali/alkaline-earth metals other than sodium & calcium | $5,438,345 | $3,775,478 | $5,634,850 | $714,434 | $415,434 | $1,061,550 | $1,457,822 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $513,834 | $880,489 | $1,221,510 | $1,470,665 | $785,287 | $1,765,412 | $2,725,831 |
| Mercury | $1,810,256 | $936,208 | $118,164 | $187,540 | $1,156,366 | $300,062 | $421,618 |
| Total | $8,185,280 | $5,694,083 | $7,133,945 | $3,684,827 | $2,573,663 | $3,644,943 | $5,133,302 |
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