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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $11,444,168 | $13,792,522 | $17,543,056 | $27,783,068 | $21,369,398 | $32,195,444 | $41,385,219 |
| Sheets & plates of polarising mat. | $22,289 | $61,304 | $812,688 | $884,718 | $4,293,265 | $13,631,608 | $14,380,930 |
| Contact lenses | $8,465,645 | $9,230,295 | $12,174,179 | $14,203,910 | $11,663,641 | $14,164,616 | $17,168,766 |
| Spectacle lenses of glass, unmounted | $2,868,939 | $3,717,342 | $2,550,650 | $2,071,208 | $1,747,545 | $2,225,280 | $1,326,124 |
| Spectacle lenses of mats. other than glass, unmounted | $16,028,442 | $18,531,968 | $22,547,265 | $29,411,745 | $26,119,291 | $31,838,401 | $35,893,828 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $1,245,727 | $1,790,475 | $2,574,576 | $5,777,016 | $5,119,631 | $10,447,502 | $12,054,301 |
| Total | $40,075,210 | $47,123,906 | $58,202,414 | $80,131,665 | $70,312,771 | $104,502,851 | $122,209,168 |
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