Commodity2005200620072008200920102011
Optical fibres, optical fibre bundles & cables (excl. of 85.44)$26,185$40,985$934$2,897$519$2,981$5,327
Sheets & plates of polarising mat.$4,763$442$120$219$266  
Contact lenses$45,654$45,119$93,622$160,528$119,468$144,351$162,699
Spectacle lenses of glass, unmounted$58,588$91,010$106,683$117,627$80,683$84,934$89,820
Spectacle lenses of mats. other than glass, unmounted$48,897$84,966$144,075$246,465$230,106$416,221$387,869
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ...$87$2,578$1,690$11,312$11,117$1,899$11,327
Total$184,174$265,100$347,124$539,048$442,159$650,386$657,042