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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Artificial corundum, whether or not chemically defined | $23,130,127 | $27,306,925 | $34,418,242 | $46,442,601 | $22,846,074 | $34,550,791 | $37,520,851 |
| Aluminium oxide (excl. art. corundum) | $43,613,220 | $67,501,003 | $57,173,383 | $61,231,459 | $24,319,015 | $27,432,632 | $27,812,682 |
| Aluminium hydroxide | $9,771,333 | $9,521,859 | $10,754,360 | $10,941,255 | $8,962,348 | $10,885,289 | $10,128,769 |
| Total | $76,514,680 | $104,329,787 | $102,345,985 | $118,615,315 | $56,127,437 | $72,868,712 | $75,462,302 |
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