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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $11,144,977 | $12,265,558 | $13,017,657 | $14,740,328 | $12,238,567 | $11,748,204 |
| Sheets & plates of polarising mat. | $275,968 | $191,373 | $173,679 | $141,377 | $147,386 | $140,003 |
| Contact lenses | $17,748,126 | $17,772,008 | $23,039,355 | $24,631,013 | $24,768,717 | $22,120,592 |
| Spectacle lenses of glass, unmounted | $3,163,931 | $2,616,406 | $3,624,838 | $3,734,166 | $5,133,034 | $3,616,045 |
| Spectacle lenses of mats. other than glass, unmounted | $40,103,869 | $43,192,894 | $54,244,279 | $72,080,031 | $62,091,359 | $60,044,503 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $9,763,025 | $9,766,007 | $14,187,737 | $22,132,871 | $21,673,924 | $22,939,872 |
| Total | $82,199,896 | $85,804,246 | $108,287,545 | $137,459,786 | $126,052,987 | $120,609,219 |
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