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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $192,556 | $54,448 | $408,898 | $247,530 | $502,816 |
| Sheets & plates of polarising mat. | $319,490 | $150,636 | $1,005,910 | $203,987 | $18,967 |
| Contact lenses | $1,303,564 | $1,527,950 | $1,754,064 | $2,678,852 | $2,357,542 |
| Spectacle lenses of glass, unmounted | $201,528 | $479,589 | $590,984 | $272,978 | $441,674 |
| Spectacle lenses of mats. other than glass, unmounted | $163,416 | $810,154 | $620,665 | $121,655 | $195,338 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $1,520,637 | $1,153,628 | $393,150 | $1,270,512 | $547,237 |
| Total | $3,701,191 | $4,176,405 | $4,773,671 | $4,795,514 | $4,063,574 |
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