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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $6,106,185 | $10,793,283 | $3,091,495 | $6,182,081 | $7,099,652 | $9,848,928 | $11,128,934 |
| Sheets & plates of polarising mat. | $283,850 | $450,706 | $669,074 | $252,731 | $106,235 | $113,483 | $157,952 |
| Contact lenses | $6,233,941 | $7,233,146 | $8,299,373 | $7,708,402 | $21,549,389 | $12,139,664 | $10,973,328 |
| Spectacle lenses of glass, unmounted | $1,152,828 | $912,281 | $924,942 | $583,464 | $318,392 | $281,677 | $316,175 |
| Spectacle lenses of mats. other than glass, unmounted | $24,253,157 | $31,092,004 | $33,959,820 | $34,162,986 | $35,452,570 | $35,552,605 | $37,390,595 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $2,500,892 | $3,218,198 | $3,387,697 | $5,376,856 | $5,098,938 | $4,832,562 | $7,754,966 |
| Total | $40,530,853 | $53,699,618 | $50,332,401 | $54,266,520 | $69,625,176 | $62,768,919 | $67,721,950 |
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