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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Piezo-elec. quartz | $3,110,675 | $4,932,961 | $5,254,940 | $5,496,500 | $4,791,773 | $4,490,283 | $3,508,919 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $4,322,382 | $5,070,347 | $6,141,350 | $9,512,627 | $4,000,120 | $8,700,384 | $14,835,888 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $48,128,418 | $49,681,578 | $48,227,492 | $39,947,903 | $34,825,717 | $34,358,519 | $46,196,508 |
| Total | $55,561,475 | $59,684,886 | $59,623,782 | $54,957,030 | $43,617,610 | $47,549,186 | $64,541,315 |
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