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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $4,823 | $543 | $4,598 | $3,080 | $1,314 | $3,897 | $49,958 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $1,962,586 | $2,156,536 | $1,763,838 | $298,408 | | | $195,824 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $6,163 | $78,901 | $124,738 | $84,226 | $61,121 | $27,002 | $53,196 |
| Total | $1,973,572 | $2,235,980 | $1,893,174 | $385,714 | $62,435 | $30,899 | $298,978 |
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