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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $7,044,907 | $12,018,720 | $14,150,963 | $16,611,064 | $14,140,801 | $7,943,145 | $10,578,550 |
| Sheets & plates of polarising mat. | $860,847 | $322,173 | $270,599 | $166,671 | $80,194 | $58,679 | $135,490 |
| Contact lenses | $18,660,588 | $21,009,623 | $54,639,356 | $82,610,940 | $76,380,465 | $88,136,419 | $86,505,950 |
| Spectacle lenses of glass, unmounted | $20,498,884 | $19,427,450 | $25,543,367 | $28,317,264 | $34,415,798 | $35,533,670 | $36,920,151 |
| Spectacle lenses of mats. other than glass, unmounted | $30,842,600 | $30,857,722 | $31,802,330 | $23,798,562 | $24,445,139 | $28,356,757 | $30,267,923 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $28,421,617 | $24,228,201 | $24,713,934 | $25,040,291 | $20,489,185 | $24,296,606 | $33,064,387 |
| Total | $106,329,443 | $107,863,889 | $151,120,549 | $176,544,792 | $169,951,582 | $184,325,276 | $197,472,451 |
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