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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $1,383,028 | $1,522,415 | $2,664,381 | $2,805,596 | $2,539,320 | $1,848,367 | $3,657,396 |
| Sheets & plates of polarising mat. | $1,223,399 | $487,088 | $379,709 | $158,319 | $26,091 | $1,366 | $8,381 |
| Contact lenses | $2,972,351 | $1,548,631 | $37,888,107 | $103,578,957 | $145,804,238 | $155,051,906 | $184,943,284 |
| Spectacle lenses of glass, unmounted | $1,892,753 | $1,715,463 | $113,622 | $86,976 | $81,314 | $1,821,217 | $3,326,139 |
| Spectacle lenses of mats. other than glass, unmounted | $25,567,140 | $19,840,211 | $20,854,901 | $12,084,293 | $9,332,121 | $9,356,380 | $9,983,386 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $9,722,934 | $4,418,922 | $5,156,740 | $6,821,846 | $7,143,472 | $7,065,127 | $16,866,311 |
| Total | $42,761,605 | $29,532,730 | $67,057,460 | $125,535,987 | $164,926,556 | $175,144,363 | $218,784,897 |
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