Commodity2005200620072008200920102011
Optical fibres, optical fibre bundles & cables (excl. of 85.44)$9,669,236$8,091,735$6,525,190$6,370,843$3,882,489$4,136,658$7,014,300
Sheets & plates of polarising mat.$4,144,002$4,725,481$28,811,408$69,454,582$111,967,714$83,405,825$53,043,391
Contact lenses$4,917,210$5,461,470$6,947,381$10,097,689$9,892,319$9,856,967$14,434,740
Spectacle lenses of glass, unmounted$36,807,750$14,509,793$15,780,411$13,088,068$8,415,090$8,207,873$4,413,533
Spectacle lenses of mats. other than glass, unmounted$91,651,468$76,956,819$96,699,948$93,397,482$78,217,102$88,342,261$50,868,661
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ...$8,292,160$9,363,608$35,104,620$157,107,755$117,868,031$62,480,391$69,954,199
Total$155,481,826$119,108,906$189,868,958$349,516,419$330,242,745$256,429,975$199,728,824