Commodity200920102011
Optical fibres, optical fibre bundles & cables (excl. of 85.44)$11$159$71
Sheets & plates of polarising mat.$1,388$8,353 
Contact lenses$543,595$731,891$731,575
Spectacle lenses of glass, unmounted$194,729$240,934$268,343
Spectacle lenses of mats. other than glass, unmounted$300,626$115,059$163,203
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ...$71,624$87,146$48,614
Total$1,111,973$1,183,542$1,211,806