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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $7,599,885 | $9,394,643 | $9,886,012 | $14,984,144 | $15,079,714 | $14,844,129 | $20,448,846 |
| Sheets & plates of polarising mat. | $847,194 | $356,716 | $223,501 | $162,015 | $89,782,265 | $32,145,498 | $11,863,007 |
| Contact lenses | $12,193,468 | $37,863,551 | $39,517,708 | $50,278,913 | $52,903,044 | $55,728,740 | $62,423,187 |
| Spectacle lenses of glass, unmounted | $2,275,053 | $5,046,636 | $5,161,243 | $6,791,558 | $6,557,579 | $6,106,482 | $7,199,356 |
| Spectacle lenses of mats. other than glass, unmounted | $14,458,151 | $12,646,983 | $12,343,744 | $15,404,433 | $14,683,754 | $17,371,606 | $41,693,005 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $27,279,775 | $49,908,297 | $82,511,245 | $127,798,732 | $101,562,629 | $190,802,003 | $180,430,326 |
| Total | $64,653,526 | $115,216,826 | $149,643,453 | $215,419,795 | $280,568,985 | $316,998,458 | $324,057,727 |
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