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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $8,472,745 | $8,281,219 | $7,963,302 | $9,333,639 | $10,130,872 | $21,611,366 | $21,070,098 |
| Alkali/alkaline-earth metals other than sodium & calcium | $19,268,323 | $20,424,194 | $21,568,154 | $35,240,285 | $18,537,023 | $31,118,596 | $37,536,895 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $112,071,476 | $185,160,395 | $307,186,607 | $166,128,382 | $72,689,735 | $178,674,799 | $603,719,694 |
| Total | $139,812,544 | $213,865,808 | $336,718,063 | $210,702,306 | $101,357,630 | $231,404,761 | $662,326,687 |
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