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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural magnesium carbonate (magnesite) | | | | $12,750 | $3,726 | |
| Fused magnesia; dead-burned (sintered) magnesia, whether or not cont. small ... | $18,090 | $6,386 | $4,824 | $218 | $10,431 | $14,126 |
| Total | $18,090 | $6,386 | $4,824 | $12,968 | $14,157 | $14,126 |
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