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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Artificial corundum, whether or not chemically defined | $12,760,580 | $11,334,805 | $11,477,718 | $8,742,028 | $10,079,387 | $9,913,864 | $14,706,589 |
| Aluminium oxide (excl. art. corundum) | $99,022,368 | $115,857,157 | $95,841,874 | $95,327,879 | $50,359,625 | $16,439,826 | $27,377,085 |
| Aluminium hydroxide | $36,023,666 | $36,102,685 | $33,362,006 | $28,222,768 | $25,773,347 | $32,423,131 | $32,573,398 |
| Total | $147,806,614 | $163,294,647 | $140,681,598 | $132,292,675 | $86,212,359 | $58,776,821 | $74,657,072 |
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