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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Artificial corundum, whether or not chemically defined | $15,428,036 | $14,447,718 | $16,803,188 | $23,658,053 | $11,038,019 | $20,546,829 | $20,201,668 |
| Aluminium oxide (excl. art. corundum) | $13,382,081 | $12,349,643 | $36,384 | $11,681,920 | $263,477 | $577,640 | $178,969 |
| Aluminium hydroxide | $486,697 | $329,579 | $537,496 | $122,897 | $33,815 | $93,355 | $262,293 |
| Total | $29,296,814 | $27,126,940 | $17,377,068 | $35,462,870 | $11,335,311 | $21,217,824 | $20,642,930 |
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