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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $90,249 | $84,734 | $121,420 | $108,466 | $92,935 | $39,487 | $37,008 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $35,814 | $66,944 | $69,845 | $143,330 | $77,819 | $86,410 | $47,743 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $2,436,540 | $1,936,842 | $2,723,187 | $4,325,131 | $3,897,478 | $4,585,964 | $4,071,979 |
| Total | $2,562,603 | $2,088,520 | $2,914,452 | $4,576,927 | $4,068,232 | $4,711,861 | $4,156,730 |
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