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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $1,055,837 | $807,431 | $869,607 | $3,848,805 | $5,102,333 | $7,793,483 | $4,723,729 |
| Sheets & plates of polarising mat. | $55,926 | $1,056,629 | $1,204,518 | $1,122,014 | $654,814 | $61,817 | $100,505 |
| Contact lenses | $7,860,552 | $9,148,580 | $11,324,501 | $13,904,263 | $16,146,764 | $16,437,306 | $29,704,965 |
| Spectacle lenses of glass, unmounted | $6,340,620 | $5,936,211 | $4,665,581 | $4,103,927 | $5,971,992 | $4,688,989 | $5,432,742 |
| Spectacle lenses of mats. other than glass, unmounted | $59,566,846 | $66,994,080 | $84,906,898 | $90,318,170 | $78,008,174 | $75,115,463 | $84,226,189 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $1,407,231 | $1,240,166 | $957,543 | $1,707,089 | $1,851,800 | $4,564,785 | $6,164,059 |
| Total | $76,287,012 | $85,183,097 | $103,928,648 | $115,004,268 | $107,735,877 | $108,661,843 | $130,352,189 |
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