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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Piezo-elec. quartz | | | $14,299 | $12,634 | | $2,955 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $10,568 | $30,357 | $15,064 | $6,253 | $50,843 | $17,537 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $209,368 | $27,906 | $101,778 | $27,570 | $3,796 | $45,140 |
| Total | $219,936 | $58,263 | $131,141 | $46,457 | $54,639 | $65,632 |
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