Commodity2005200620072008200920102011
Optical fibres, optical fibre bundles & cables (excl. of 85.44)$3,659  $4,638$687$294 
Sheets & plates of polarising mat. $3,734 $3,325$1,406$9,700 
Contact lenses$4,534$5,268  $18,884  
Spectacle lenses of glass, unmounted $4,607  $15,157$2,405$16,819
Spectacle lenses of mats. other than glass, unmounted$7,606$3,712$5,479$17,078 $20,125$14,317
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ...$33$8 $120 $98$1,438
Total$15,832$17,329$5,479$25,161$36,134$32,622$32,574