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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Artificial corundum, whether or not chemically defined | $14,703,331 | $17,285,802 | $17,130,777 | $16,509,927 | $10,129,629 | $13,612,022 | $28,354,004 |
| Aluminium oxide (excl. art. corundum) | $234,668,818 | $311,951,389 | $333,759,866 | $313,583,517 | $135,045,771 | $128,113,586 | $93,976,267 |
| Aluminium hydroxide | $48,445,363 | $43,287,143 | $45,723,418 | $50,456,297 | $40,405,721 | $50,168,376 | $56,918,519 |
| Total | $297,817,512 | $372,524,334 | $396,614,061 | $380,549,741 | $185,581,121 | $191,893,984 | $179,248,790 |
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