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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $1,503,215 | $1,680,923 | $9,146,433 | $7,801,143 | $7,645,206 | $1,867,187 |
| Sheets & plates of polarising mat. | $47,440 | $84,967 | $196,807 | $177,122 | $232,178 | $800,005 |
| Contact lenses | $2,635,415 | $2,899,735 | $3,406,132 | $4,514,737 | $4,559,396 | $3,840,687 |
| Spectacle lenses of glass, unmounted | $600,068 | $716,239 | $745,078 | $1,093,080 | $983,566 | $745,389 |
| Spectacle lenses of mats. other than glass, unmounted | $20,617,977 | $21,870,699 | $29,302,670 | $36,214,917 | $35,128,899 | $30,070,059 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $4,551,160 | $5,726,342 | $7,257,179 | $7,291,273 | $5,320,420 | $4,774,586 |
| Total | $29,955,275 | $32,978,905 | $50,054,299 | $57,092,272 | $53,869,665 | $42,097,913 |
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