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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $2,412,989 | $12,013,783 | $14,324,563 | | | $14,546,952 |
| Sheets & plates of polarising mat. | $6,947 | $33,438 | $34,869 | | | |
| Contact lenses | $11,494,728 | $13,800,164 | $16,454,937 | $214,400 | | $17,067,221 |
| Spectacle lenses of glass, unmounted | $2,014,272 | $1,712,056 | $1,329,809 | | | $1,755,202 |
| Spectacle lenses of mats. other than glass, unmounted | $3,429,489 | $4,018,230 | $4,455,796 | | $892,876 | $6,203,741 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $806,678 | $1,007,436 | $1,834,546 | | | $964,268 |
| Total | $20,165,103 | $32,585,107 | $38,434,520 | $214,400 | $892,876 | $40,537,384 |
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