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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $16,689 | $12,514 | $3,609 | $23,748 | $118,103 | $20,191 | $12,039 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $78,277 | $105,393 | $54,517 | $218,044 | $73,172 | $154,488 | $245,297 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $166,145 | $427,499 | $315,144 | $1,445,663 | $761,765 | $456,999 | $471,855 |
| Total | $261,111 | $545,406 | $373,270 | $1,687,455 | $953,040 | $631,678 | $729,191 |
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