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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $1,132,616 | $584,392 | $426,740 | $1,004,320 | $601,559 | $954,099 | $2,885,012 |
| Sheets & plates of polarising mat. | $92,300 | $166,742 | $181,357 | $195,717 | $306,340 | $21,899 | $19,256 |
| Contact lenses | $6,888,588 | $7,182,420 | $12,782,723 | $24,232,478 | $17,666,766 | $17,881,877 | $25,032,055 |
| Spectacle lenses of glass, unmounted | $1,572,711 | $510,433 | $785,532 | $1,479,005 | $1,728,923 | $2,340,356 | $1,690,314 |
| Spectacle lenses of mats. other than glass, unmounted | $10,363,685 | $6,314,738 | $8,274,288 | $8,775,635 | $6,089,003 | $5,366,380 | $5,810,784 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $1,189,719 | $1,325,774 | $2,015,509 | $3,528,841 | $6,125,106 | $10,775,633 | $4,000,197 |
| Total | $21,239,619 | $16,084,499 | $24,466,149 | $39,215,996 | $32,517,697 | $37,340,244 | $39,437,618 |
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