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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $5,131,000 | $8,925,000 | $8,544,000 | $9,748,000 | $4,317,000 | $2,893,495 | $2,950,339 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $4,862,000 | $5,786,000 | $6,337,000 | $6,504,000 | $5,832,000 | $7,893,519 | $9,701,817 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $14,724,000 | $15,860,000 | $22,272,000 | $27,008,000 | $20,405,000 | $32,920,135 | $32,986,586 |
| Total | $24,717,000 | $30,571,000 | $37,153,000 | $43,260,000 | $30,554,000 | $43,707,149 | $45,638,742 |
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