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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $1,498,847 | $2,472,556 | $2,887,081 | $3,062,328 | $1,179,291 | $914,161 | $563,261 |
| Sheets & plates of polarising mat. | $43,872 | $91,317 | $220,218 | $155,677 | $129,367 | $105,952 | $61,988 |
| Contact lenses | $7,989,392 | $9,045,876 | $9,656,439 | $6,880,981 | $23,101,068 | $54,477,210 | $71,124,748 |
| Spectacle lenses of glass, unmounted | $11,214,270 | $11,207,266 | $13,291,874 | $6,830,678 | $5,133,068 | $4,114,542 | $2,310,135 |
| Spectacle lenses of mats. other than glass, unmounted | $33,251,671 | $42,071,753 | $47,422,384 | $58,951,002 | $43,548,413 | $49,332,450 | $45,123,542 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $1,099,045 | $856,692 | $646,695 | $2,296,873 | $1,094,915 | $3,952,624 | $4,616,197 |
| Total | $55,097,097 | $65,745,460 | $74,124,691 | $78,177,539 | $74,186,122 | $112,896,939 | $123,799,871 |
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