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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Artificial corundum, whether or not chemically defined | $10,265,111 | $11,159,999 | $11,980,561 | $17,498,883 | $9,849,475 | $15,248,929 | $14,275,553 |
| Aluminium oxide (excl. art. corundum) | $19,930,777 | $23,434,582 | $27,250,958 | $30,318,921 | $22,345,935 | $30,671,048 | $31,227,416 |
| Aluminium hydroxide | $18,696,782 | $20,710,154 | $16,331,416 | $14,090,594 | $13,282,075 | $23,426,273 | $28,028,834 |
| Total | $48,892,670 | $55,304,735 | $55,562,935 | $61,908,398 | $45,477,485 | $69,346,250 | $73,531,803 |
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