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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Artificial corundum, whether or not chemically defined | $30,501,141 | $27,978,173 | $26,707,339 | $27,294,247 | $15,960,043 | $28,689,059 | $34,193,125 |
| Aluminium oxide (excl. art. corundum) | $136,405,990 | $140,298,017 | $128,019,060 | $155,216,733 | $129,728,350 | $184,877,594 | $182,130,228 |
| Aluminium hydroxide | $42,894,359 | $52,833,377 | $41,018,810 | $35,046,873 | $30,749,668 | $51,961,849 | $60,473,452 |
| Total | $209,801,490 | $221,109,567 | $195,745,209 | $217,557,853 | $176,438,061 | $265,528,502 | $276,796,805 |
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