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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $4,590,004 | $7,822,685 | $23,300,320 | $37,622,890 | $27,107,347 | $38,792,036 | $35,128,722 |
| Sheets & plates of polarising mat. | $59,604 | $363,868 | $121,440,415 | $222,762,384 | $141,306,714 | $307,636,625 | $148,503,191 |
| Contact lenses | $7,121,998 | $9,665,769 | $15,254,622 | $21,303,195 | $22,530,729 | $25,726,824 | $29,381,371 |
| Spectacle lenses of glass, unmounted | $1,936,670 | $1,818,803 | $2,974,631 | $4,219,291 | $2,498,784 | $2,596,494 | $3,014,732 |
| Spectacle lenses of mats. other than glass, unmounted | $31,186,299 | $45,217,120 | $52,488,986 | $62,767,193 | $59,565,445 | $62,276,664 | $68,722,584 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $3,327,159 | $5,420,089 | $53,948,454 | $109,081,158 | $74,167,850 | $84,905,723 | $120,565,698 |
| Total | $48,221,734 | $70,308,334 | $269,407,428 | $457,756,111 | $327,176,869 | $521,934,366 | $405,316,298 |
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