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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $1,838,107 | $808,646 | $16,865,739 | $1,515,582 | $662,050 | $1,400,056 | $2,246,924 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $1,279,475 | $244,750 | $783,068 | $511,247 | $5,292,765 | $9,069,695 | $19,650,907 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $865,070 | $750,607 | $4,938,639 | $5,220,558 | $5,745,707 | $491,272 | $221,460 |
| Total | $3,982,652 | $1,804,003 | $22,587,446 | $7,247,387 | $11,700,522 | $10,961,023 | $22,119,291 |
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