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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $53,404,330 | $41,349,970 | $45,149,470 | $39,005,662 | $48,700,939 | $60,751,816 |
| Sheets & plates of polarising mat. | $293,506 | $82,919 | $2,746 | $2,030,593 | $1,631,085 | $2,569,070 |
| Contact lenses | $144,272,901 | $164,378,476 | $208,423,669 | $185,311,523 | $172,214,132 | $210,982,083 |
| Spectacle lenses of glass, unmounted | $9,846,116 | $4,978,882 | $5,289,495 | $4,722,824 | $29,836,720 | $34,549,155 |
| Spectacle lenses of mats. other than glass, unmounted | $55,870,522 | $77,861,769 | $89,063,397 | $90,676,743 | $77,216,326 | $84,291,237 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $12,781,172 | $12,442,807 | $44,121,224 | $20,336,877 | $13,661,210 | $19,036,586 |
| Total | $276,468,547 | $301,094,823 | $392,050,001 | $342,084,222 | $343,260,412 | $412,179,947 |
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