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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $785,662 | $1,835,197 | $1,285,922 | $1,743,130 | $1,210,108 | $1,611,385 | $1,466,986 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $2,336,860 | $319,246 | $728,766 | $977,026 | $782,830 | $797,945 | $513,483 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $10,500,013 | $7,697,530 | $6,745,329 | $8,195,629 | $7,463,257 | $26,070,197 | $47,434,195 |
| Total | $13,622,535 | $9,851,973 | $8,760,017 | $10,915,785 | $9,456,195 | $28,479,527 | $49,414,664 |
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