Commodity2005200620072008200920102011
Optical fibres, optical fibre bundles & cables (excl. of 85.44)$15,314,279$18,779,587$23,738,948$24,543,060$25,628,467$20,414,847$29,514,127
Sheets & plates of polarising mat.$577,996$1,606,143$1,747,471$1,325,803$1,112,363$1,488,554$853,194
Contact lenses$52,727,156$52,467,959$62,609,484$65,965,170$61,624,364$68,810,438$75,157,382
Spectacle lenses of glass, unmounted$5,874,126$3,650,164$5,975,026$3,340,679$2,332,339$3,969,662$2,590,879
Spectacle lenses of mats. other than glass, unmounted$28,139,492$37,614,332$46,001,391$49,514,712$50,134,428$55,189,456$61,021,405
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ...$15,015,302$13,274,792$12,124,858$15,314,165$14,521,964$21,105,350$19,250,053
Total$117,648,351$127,392,977$152,197,178$160,003,589$155,353,925$170,978,307$188,387,040