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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $2,500,805 | $2,022,039 | $2,982,170 | $5,708,399 | $1,801,226 | $3,514,252 | $4,092,790 |
| Sheets & plates of polarising mat. | $442,124 | $212,693 | $544,452 | $486,737 | $98,871 | $123,948 | $117,107 |
| Contact lenses | $39,675,631 | $45,773,083 | $55,915,150 | $57,865,648 | $56,299,527 | $64,760,971 | $73,302,486 |
| Spectacle lenses of glass, unmounted | $2,412,457 | $3,231,747 | $1,570,114 | $1,462,067 | $1,349,466 | $1,275,086 | $598,041 |
| Spectacle lenses of mats. other than glass, unmounted | $12,822,831 | $11,574,401 | $14,696,085 | $16,833,316 | $14,961,398 | $16,286,786 | $16,608,112 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $3,884,985 | $5,485,737 | $5,654,569 | $7,338,668 | $5,431,310 | $7,879,746 | $8,601,376 |
| Total | $61,738,833 | $68,299,700 | $81,362,540 | $89,694,835 | $79,941,798 | $93,840,789 | $103,319,912 |
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