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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $55,957 | $194,635 | $255,115 | $884,037 | $9,364,602 | $125,273,924 | $84,593,373 |
| Sheets & plates of polarising mat. | | $2,725 | $172,762 | $24,396 | $2,215 | $2,394 | $4,955 |
| Contact lenses | $7,464,683 | $8,919,831 | $16,319,149 | $9,506,992 | $10,120,097 | $7,390,685 | $3,583,747 |
| Spectacle lenses of glass, unmounted | $44,380,937 | $16,174,684 | $12,352,240 | $9,805,806 | $7,156,668 | $7,596,291 | $7,935,723 |
| Spectacle lenses of mats. other than glass, unmounted | $300,229,156 | $394,742,028 | $496,877,597 | $594,434,035 | $676,077,734 | $757,481,389 | $810,735,443 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $1,080,041 | $42,415,483 | $372,926 | $2,914,020 | $1,819,879 | $3,481,133 | $6,453,318 |
| Total | $353,210,774 | $462,449,386 | $526,349,789 | $617,569,286 | $704,541,195 | $901,225,816 | $913,306,559 |
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