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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $4,478,828 | $4,996,127 | $5,314,706 | $7,232,875 | $12,954,803 | $33,579,419 | $58,215,718 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $2,335,845 | $3,914,007 | $5,031,680 | $4,305,594 | $5,964,268 | $4,129,464 | $6,494,406 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $34,041,575 | $29,826,362 | $35,051,295 | $31,846,196 | $19,151,849 | $26,407,469 | $40,190,219 |
| Total | $40,856,248 | $38,736,496 | $45,397,681 | $43,384,665 | $38,070,920 | $64,116,352 | $104,900,343 |
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