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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $460,435 | $471,017 | $503,108 | $585,230 | $270,873 | $322,744 | $490,750 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $564,082 | $527,419 | $451,120 | $695,564 | $343,798 | $942,388 | $1,147,461 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $8,153,325 | $8,433,269 | $9,717,345 | $9,695,738 | $9,157,518 | $10,728,956 | $10,048,147 |
| Total | $9,177,842 | $9,431,705 | $10,671,573 | $10,976,532 | $9,772,189 | $11,994,088 | $11,686,358 |
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