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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $27,000 | $9,859 | $3,431 | $5,213 | $2,074 | | |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $5,000 | $39,071 | $110 | $7,757 | $4,555 | $2,696 | $4,407 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $1,951,000 | $1,924,344 | $2,903,299 | $4,440,869 | $1,672,816 | $1,321,473 | $1,182,217 |
| Total | $1,983,000 | $1,973,274 | $2,906,840 | $4,453,839 | $1,679,445 | $1,324,169 | $1,186,624 |
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