Commodity2005200620072008200920102011
Optical fibres, optical fibre bundles & cables (excl. of 85.44)$452,192$212,447$845,827$355,752$537,270$180,388$527,856
Sheets & plates of polarising mat.$7,091$5,875  $5,235$137$7,182
Contact lenses$3,003,494$3,805,883$5,514,780$4,652,484$4,234,422$4,737,151$5,460,717
Spectacle lenses of glass, unmounted$3,574,387$3,242,082$3,621,943$2,983,631$2,411,044$1,782,169$1,696,290
Spectacle lenses of mats. other than glass, unmounted$3,706,610$5,515,263$6,213,012$7,947,454$5,727,667$6,533,442$10,216,644
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ...$126,651$218,036$123,499$264,918$263,293$468,116$557,571
Total$10,870,425$12,999,586$16,319,061$16,204,239$13,178,931$13,701,403$18,466,260