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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $7,138,827 | $5,448,327 | $6,270,677 | $3,987,010 | $3,767,038 | $3,192,538 | $1,792,999 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $4,144,387 | $6,798,658 | $6,821,916 | $12,441,225 | $13,987,556 | $14,722,677 | $14,011,694 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $29,236,131 | $34,167,460 | $41,520,176 | $47,556,452 | $39,751,820 | $57,775,433 | $73,193,766 |
| Total | $40,519,345 | $46,414,445 | $54,612,769 | $63,984,687 | $57,506,414 | $75,690,648 | $88,998,459 |
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