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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $1 | | $5,832 | $2,789 | | | $357 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $5,615 | $2,712 | $5,155 | $54 | $1,916 | $11,319 | $1,544 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $56,067 | $124,182 | $492,462 | $183,123 | $122,402 | $137,067 | $216,428 |
| Total | $61,683 | $126,894 | $503,449 | $185,966 | $124,318 | $148,386 | $218,329 |
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