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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $9,121,882 | $7,580,069 | $12,923,098 | $15,947,605 | $15,080,810 | $24,877,289 | $44,561,446 |
| Sheets & plates of polarising mat. | $10,898 | $9,124 | $3,895 | $23,089 | $110,962 | $27,135 | $129,486 |
| Contact lenses | $9,387,518 | $11,579,982 | $12,302,856 | $12,305,800 | $12,095,031 | $16,145,398 | $17,209,319 |
| Spectacle lenses of glass, unmounted | $156,215 | $397,539 | $333,219 | $216,311 | $221,840 | $151,621 | $290,704 |
| Spectacle lenses of mats. other than glass, unmounted | $20,714,581 | $23,038,149 | $24,642,948 | $31,879,462 | $30,249,808 | $37,950,091 | $45,705,615 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $1,725,645 | $2,036,350 | $2,979,562 | $3,767,822 | $3,209,424 | $4,307,548 | $5,706,717 |
| Total | $41,116,739 | $44,641,213 | $53,185,578 | $64,140,089 | $60,967,875 | $83,459,082 | $113,603,287 |
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