Commodity2005200620072008200920102011
Optical fibres, optical fibre bundles & cables (excl. of 85.44)$4,644$18,057$20,502$38,289$40,988$81,721$17,353
Sheets & plates of polarising mat.  $381    
Contact lenses$410$5,938$4,731$30,430$58,203$1,991$6,844
Spectacle lenses of glass, unmounted$23,404$48,605$12,069$6,994$7,046$29,894$12,004
Spectacle lenses of mats. other than glass, unmounted$449,556$1,058,957$957,934$1,180,958$825,932$811,396$531,031
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ...$3,738$5,662$22,203$21,447$68,534$17,700$14,030
Total$481,752$1,137,219$1,017,820$1,278,118$1,000,703$942,702$581,262