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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $43,677 | $42,084 | $76,462 | $47,090 | $29,365 | $20,332 | $36,342 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | | | $94,317 | $36,515 | $12,951 | | $191,962 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $530,676 | $440,240 | $403,528 | $523,961 | $291,056 | $391,711 | $253,060 |
| Total | $574,353 | $482,324 | $574,307 | $607,566 | $333,372 | $412,043 | $481,364 |
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