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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $40,045 | $21,892,225 | $24,204,028 | $356,897 | $595,902 | $528,995 | $168,566 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $618,069 | $394,405 | $2,774,334 | $5,952,693 | $1,882,018 | $6,163,861 | $3,392,469 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $16,445,838 | $19,644,481 | $77,589,212 | $63,798,368 | $57,372,721 | $75,515,233 | $112,848,975 |
| Total | $17,103,952 | $41,931,111 | $104,567,574 | $70,107,958 | $59,850,641 | $82,208,089 | $116,410,010 |
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