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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Piezo-elec. quartz | $1,204,441 | $1,056,211 | $1,153,213 | $1,153,608 | $815,677 | $1,208,231 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $303,781 | $189,251 | $116,702 | $74,685 | $70,383 | $154,150 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $5,099,540 | $4,720,843 | $4,696,219 | $3,490,838 | $2,577,346 | $1,762,608 |
| Total | $6,607,762 | $5,966,305 | $5,966,134 | $4,719,131 | $3,463,406 | $3,124,989 |
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