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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $4,222 | $395 | $2,776 | | $1,117 | $31 | $113,627 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $48,417 | $632,434 | $392,801 | $885,531 | $514,213 | $746,527 | $989,472 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $46,541 | $181,562 | $841,244 | $791,575 | $56,184 | $86,669 | $111,603 |
| Total | $99,180 | $814,391 | $1,236,821 | $1,677,106 | $571,514 | $833,227 | $1,214,702 |
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