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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $15,899,181 | $17,793,740 | $18,430,890 | $18,861,984 | $12,657,228 | $13,063,650 | $13,695,268 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $2,853,012 | $3,560,681 | $5,715,727 | $5,436,689 | $3,116,383 | $3,434,787 | $4,374,647 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $17,715,376 | $20,408,416 | $40,514,427 | $49,474,358 | $31,597,136 | $53,503,724 | $85,079,034 |
| Total | $36,467,569 | $41,762,837 | $64,661,044 | $73,773,031 | $47,370,747 | $70,002,161 | $103,148,949 |
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