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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $293,776 | $226,128 | $31,747 | $11,289 | $225,067 | $110,657 | $21,588 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $32,836 | $142,799 | $385,877 | $269,737 | $226,867 | $185,974 | $571,689 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $2,653,749 | $1,956,206 | $2,134,885 | $16,513,669 | $14,235,791 | $11,542,051 | $19,366,259 |
| Total | $2,980,361 | $2,325,133 | $2,552,509 | $16,794,695 | $14,687,725 | $11,838,682 | $19,959,536 |
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