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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $12,805,063 | $27,968,231 | $33,156,426 | $26,083,495 | $40,601,400 | $31,789,422 | $35,099,207 |
| Sheets & plates of polarising mat. | $22,389 | $21,362 | $129,872 | $43,520 | $84,805 | $65,610 | $67,776 |
| Contact lenses | $267,464 | $141,587 | $996,313 | $434,841 | $146,794 | $210,186 | $371,518 |
| Spectacle lenses of glass, unmounted | $44,188 | $36,380 | $3,074 | $8,221 | $4,737 | | $23,939 |
| Spectacle lenses of mats. other than glass, unmounted | $487,471 | $454,619 | $1,848,720 | $410,878 | $189,576 | $104,903 | $229,206 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $2,002,857 | $1,845,151 | $3,504,219 | $3,491,158 | $3,919,840 | $3,915,286 | $4,342,279 |
| Total | $15,629,432 | $30,467,330 | $39,638,624 | $30,472,113 | $44,947,152 | $36,085,407 | $40,133,925 |
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