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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $45,069 | $12,030 | $1,519 | $13,875 | $2,752 | $4,456 | $3,869,635 |
| Sheets & plates of polarising mat. | | | | $24 | $3 | $6,163 | $466 |
| Contact lenses | $21,530 | $30,587 | $63,556 | $82,272 | $87,747 | $77,722 | $145,018 |
| Spectacle lenses of glass, unmounted | $194,852 | $201,222 | $175,013 | $138,181 | $118,297 | $104,231 | $109,635 |
| Spectacle lenses of mats. other than glass, unmounted | $41,452 | $39,532 | $152,889 | $218,727 | $341,665 | $433,572 | $419,776 |
| Total | $302,903 | $283,371 | $392,977 | $453,079 | $550,464 | $626,144 | $4,544,530 |
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