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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $1,117,969 | $1,113,119 | $1,041,180 | $1,274,643 | $666,146 | $2,199,760 | $1,597,379 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $29,895 | $24,395 | $19,490 | $4,419 | $19,132 | $37,208 | $17,318 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $3,305,843 | $4,532,234 | $2,574,560 | $2,318,314 | $1,162,192 | $1,553,789 | $4,179,680 |
| Total | $4,453,707 | $5,669,748 | $3,635,230 | $3,597,376 | $1,847,470 | $3,790,757 | $5,794,377 |
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