Commodity2005200620072008200920102011
Natural magnesium carbonate (magnesite)$20,298$10,904$5,454$30,620$19,332$18,480$29,258
Fused magnesia; dead-burned (sintered) magnesia, whether or not cont. small ...$7,584$4,464$28,205$2,278$498  
Total$27,882$15,368$33,659$32,898$19,830$18,480$29,258