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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $2,804,081 | $3,985,527 | $3,770,813 | $6,715,765 | $4,874,957 | $7,003,880 | $6,669,706 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $9,779,728 | $8,774,380 | $7,516,524 | $7,331,236 | $5,219,683 | $8,293,302 | $10,556,896 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $38,287,785 | $34,577,554 | $42,975,605 | $41,433,499 | $47,640,075 | $65,016,454 | $85,417,557 |
| Total | $50,871,594 | $47,337,461 | $54,262,942 | $55,480,500 | $57,734,715 | $80,313,636 | $102,644,159 |
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