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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $299,995 | $455,861 | $516,508 | $242,214 | $158,335 | $104,447 | $92,999 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $835,993 | $788,869 | $812,265 | $3,496,449 | $1,731,432 | $11,323,996 | $3,180,879 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $6,890,134 | $5,860,842 | $11,975,716 | $12,090,196 | $16,006,364 | $12,687,062 | $19,934,809 |
| Total | $8,026,122 | $7,105,572 | $13,304,489 | $15,828,859 | $17,896,131 | $24,115,505 | $23,208,687 |
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