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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $403,578 | $639,153 | $743,340 | $696,460 | $341,591 | $372,148 | $162,635 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $1,448,262 | $1,513,226 | $2,994,294 | $2,261,594 | $1,992,886 | $2,538,114 | $6,493,914 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $456,235 | $412,482 | $296,759 | $531,607 | $542,645 | $690,671 | $393,948 |
| Total | $2,308,075 | $2,564,861 | $4,034,393 | $3,489,661 | $2,877,122 | $3,600,933 | $7,050,497 |
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