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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $43,146,447 | $50,068,305 | $71,408,092 | $84,676,552 | $72,542,858 | $95,572,302 | $88,089,167 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $20,514,226 | $19,905,362 | $14,112,241 | $22,116,647 | $19,433,553 | $21,154,747 | $23,451,161 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $32,265,062 | $30,387,929 | $41,188,934 | $41,846,853 | $29,965,744 | $91,496,795 | $187,213,872 |
| Total | $95,925,735 | $100,361,596 | $126,709,267 | $148,640,052 | $121,942,155 | $208,223,844 | $298,754,200 |
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