Commodity2005200620072008
Optical fibres, optical fibre bundles & cables (excl. of 85.44)  $233$24
Sheets & plates of polarising mat. $14  
Contact lenses$5,523$11,914$27,988$37,517
Spectacle lenses of glass, unmounted$26,611$23,857$67,312$57,005
Spectacle lenses of mats. other than glass, unmounted$44,218$59,037$25,924$36,253
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ...$30$364$5,087$686
Total$76,382$95,186$126,544$131,485