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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $1,344,460 | $336,254 | $324,102 | $46,166 | $17,898 | $148,075 | $90,875 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $248,384 | $160,285 | $192,722 | $244,411 | $193,673 | $839,885 | $583,626 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $937,391 | $1,061,203 | $2,292,280 | $5,937,028 | $15,782,873 | $8,524,013 | $4,187,095 |
| Total | $2,530,235 | $1,557,742 | $2,809,104 | $6,227,605 | $15,994,444 | $9,511,973 | $4,861,596 |
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