|
| Commodity | 2005 | 2007 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $254,694 | | $1,159,235 | $545,257 | $733,250 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | | | | | $344 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | | $106,144 | | $43,184 | $7,999 |
| Total | $254,694 | $106,144 | $1,159,235 | $588,441 | $741,593 |
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