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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $2,504,580 | $1,543,395 | $2,245,523 | $1,624,892 | $1,915,396 | $3,000,603 | $2,103,088 |
| Alkali/alkaline-earth metals other than sodium & calcium | $1,159,377 | $1,249,042 | $1,059,187 | $1,238,160 | $558,735 | $1,615,583 | $1,035,120 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $1,714,143 | $1,860,694 | $3,310,514 | $4,995,199 | $1,952,022 | $6,519,722 | $13,297,177 |
| Mercury | $1,070,342 | $1,146,928 | $890,762 | $676,794 | $794,908 | $757,568 | $953,847 |
| Total | $6,448,442 | $5,800,059 | $7,505,986 | $8,535,045 | $5,221,061 | $11,893,476 | $17,389,232 |
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