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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $3,405,160 | $3,189,514 | $2,448,943 | $1,804,573 | $2,623,128 | $3,749,220 | $2,549,145 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $1,952,724 | $3,237,212 | $1,891,907 | $562,073 | $325,926 | $111,411 | $1,043,684 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $1,681,286 | $2,106,494 | $2,078,543 | $1,845,576 | $1,271,285 | $884,676 | $4,220,398 |
| Total | $7,039,170 | $8,533,220 | $6,419,393 | $4,212,222 | $4,220,339 | $4,745,307 | $7,813,227 |
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