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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $36,987,229 | $33,993,237 | $42,427,161 | $48,113,072 | $36,481,707 | $66,554,205 | $46,744,297 |
| Sheets & plates of polarising mat. | $10,444,820 | $9,761,200 | $9,316,246 | $6,969,038 | $3,694,948 | $5,353,723 | $6,416,652 |
| Contact lenses | $306,226,961 | $377,721,540 | $421,699,066 | $408,291,411 | $373,885,780 | $398,103,082 | $458,501,674 |
| Spectacle lenses of glass, unmounted | $13,555,888 | $17,894,460 | $17,668,413 | $20,712,205 | $17,297,772 | $18,853,306 | $15,320,955 |
| Spectacle lenses of mats. other than glass, unmounted | $178,839,043 | $233,695,047 | $239,526,310 | $215,442,484 | $193,285,891 | $218,626,150 | $221,506,918 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $57,886,584 | $63,687,723 | $65,570,861 | $78,013,303 | $81,197,341 | $82,353,025 | $86,605,348 |
| Total | $603,940,525 | $736,753,207 | $796,208,057 | $777,541,513 | $705,843,439 | $789,843,491 | $835,095,844 |
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