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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $40,033,495 | $62,032,653 | $59,129,427 | $65,023,124 | $41,583,887 | $34,472,532 | $34,939,842 |
| Sheets & plates of polarising mat. | $552,444 | $597,542 | $636,700 | $432,209 | $259,804 | $229,322 | $453,565 |
| Contact lenses | $10,960,530 | $7,888,560 | $10,792,345 | $6,931,571 | $5,121,052 | $7,364,815 | $7,072,003 |
| Spectacle lenses of glass, unmounted | $30,486,424 | $20,616,458 | $24,820,336 | $26,643,550 | $28,618,706 | $27,006,974 | $25,460,881 |
| Spectacle lenses of mats. other than glass, unmounted | $195,533,915 | $234,259,098 | $273,189,727 | $318,836,049 | $238,604,070 | $220,064,290 | $258,574,032 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $39,998,656 | $40,268,814 | $45,659,922 | $50,412,098 | $55,104,799 | $56,283,309 | $65,075,508 |
| Total | $317,565,464 | $365,663,125 | $414,228,457 | $468,278,601 | $369,292,318 | $345,421,242 | $391,575,831 |
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