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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $6,313,565 | $21,987,647 | $43,200,355 | $27,952,001 | $13,883,320 | $20,254,463 | $20,367,929 |
| Sheets & plates of polarising mat. | $548,791 | $545,686 | $1,417,217 | $2,150,540 | $2,198,224 | $2,403,404 | $12,212,452 |
| Contact lenses | $361,463,717 | $312,768,331 | $356,707,835 | $369,051,423 | $347,514,729 | $376,014,253 | $360,168,324 |
| Spectacle lenses of glass, unmounted | $2,708,399 | $3,067,723 | $6,590,498 | $9,801,486 | $5,416,455 | $5,772,819 | $6,561,490 |
| Spectacle lenses of mats. other than glass, unmounted | $47,310,916 | $37,858,570 | $40,746,773 | $42,552,251 | $49,907,083 | $51,285,246 | $53,161,544 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $51,141,833 | $69,334,379 | $92,740,834 | $123,361,280 | $118,141,946 | $156,886,092 | $192,950,336 |
| Total | $469,487,221 | $445,562,336 | $541,403,512 | $574,868,981 | $537,061,757 | $612,616,277 | $645,422,075 |
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