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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $6,146,537 | $13,028,295 | $12,036,824 | $25,470,538 | $30,743,484 | $30,031,650 |
| Sheets & plates of polarising mat. | $3,591 | | | | $4,405 | $2,610 |
| Contact lenses | $359,248 | $468,779 | $558,083 | $928,540 | $948,574 | $1,360,860 |
| Spectacle lenses of glass, unmounted | $32,232 | $21,284 | $70,111 | $40,250 | $177,775 | $21,360 |
| Spectacle lenses of mats. other than glass, unmounted | $1,514,791 | $1,430,632 | $7,824,816 | $2,169,137 | $2,271,127 | $2,563,960 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $149,393 | $74,707 | $28,677 | $11,341,667 | $9,992,261 | $22,375,050 |
| Total | $8,205,792 | $15,023,697 | $20,518,511 | $39,950,132 | $44,137,626 | $56,355,490 |
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