Commodity2005200620072008200920102011
Optical fibres, optical fibre bundles & cables (excl. of 85.44) $8,313  $10,707 $1,847
Sheets & plates of polarising mat.    $232$56,601$188,338
Spectacle lenses of glass, unmounted  $1,864 $2,002$902$919
Spectacle lenses of mats. other than glass, unmounted$1,529  $21,285$2,249$3,594$654
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ...$5,349   $4,064$1,361 
Total$6,878$8,313$1,864$21,285$19,254$62,458$191,758