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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Artificial corundum, whether or not chemically defined | $789,000 | $903,000 | $1,655,000 | $1,565,000 | $1,338,000 | $1,127,000 | $1,064,000 |
| Aluminium oxide (excl. art. corundum) | $7,859,000 | $3,542,000 | $4,973,000 | $8,444,000 | $7,862,000 | $15,647,000 | $21,766,000 |
| Aluminium hydroxide | $2,086,000 | $1,024,000 | $1,155,000 | $1,239,000 | $1,356,000 | $2,724,000 | $3,242,000 |
| Total | $10,734,000 | $5,469,000 | $7,783,000 | $11,248,000 | $10,556,000 | $19,498,000 | $26,072,000 |
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