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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $1,965,033 | $3,827,098 | $7,591,991 | $5,715,113 | $2,044,957 | $6,362,629 | $13,620,238 |
| Sheets & plates of polarising mat. | | | $157 | $37,512 | $7,707 | $880 | $1,022 |
| Contact lenses | $2,442,909 | $2,609,420 | $3,721,860 | $2,801,884 | $2,650,351 | $3,222,302 | $7,603,084 |
| Spectacle lenses of glass, unmounted | $2,768,188 | $1,689,777 | $1,746,563 | $1,827,337 | $1,232,490 | $901,354 | $649,201 |
| Spectacle lenses of mats. other than glass, unmounted | $17,739,033 | $21,812,006 | $22,183,816 | $22,264,523 | $15,578,560 | $16,141,233 | $19,442,195 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $3,537,304 | $3,234,118 | $3,263,673 | $5,046,841 | $5,567,712 | $6,214,648 | $2,509,663 |
| Total | $28,452,467 | $33,172,419 | $38,508,060 | $37,693,210 | $27,081,777 | $32,843,046 | $43,825,403 |
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