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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $5,055,280 | $7,987,337 | $12,766,788 | $9,948,283 | $6,314,117 | $14,737,042 | $24,702,815 |
| Sheets & plates of polarising mat. | $11,769 | $7,467 | $33,954 | $82,987 | $37,695 | $48,864 | $139,057 |
| Contact lenses | $3,606,253 | $4,448,119 | $5,072,036 | $6,506,075 | $5,363,441 | $6,110,902 | $7,318,928 |
| Spectacle lenses of glass, unmounted | $1,088,794 | $1,310,761 | $1,585,291 | $1,523,840 | $1,194,639 | $1,143,787 | $1,456,461 |
| Spectacle lenses of mats. other than glass, unmounted | $6,133,066 | $7,489,125 | $8,127,346 | $10,175,472 | $9,549,825 | $11,404,062 | $15,698,124 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $457,190 | $307,374 | $348,092 | $466,024 | $646,495 | $587,196 | $1,054,298 |
| Total | $16,352,352 | $21,550,183 | $27,933,507 | $28,702,681 | $23,106,212 | $34,031,853 | $50,369,683 |
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