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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $26,790 | $26,629 | $4,897 | $15,241 | $47,682 | $20,035 | $32,376 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $180,699 | $193,737 | $576,802 | $89,290 | $5,927 | $8,070 | $22,663 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $99,123 | $169,010 | $209,679 | $146,097 | $85,617 | $119,374 | $230,180 |
| Total | $306,612 | $389,376 | $791,378 | $250,628 | $139,226 | $147,479 | $285,219 |
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