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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $5,093,693 | $7,143,730 | $8,351,385 | $4,261,630 | $4,975,910 | $5,650,363 | $7,337,678 |
| Sheets & plates of polarising mat. | $39,924 | $14,802 | $297,681 | $910,930 | $3,299,879 | $1,820,543 | $807,040 |
| Contact lenses | $16,478,405 | $25,533,090 | $32,726,526 | $45,450,563 | $51,742,839 | $42,743,221 | $29,110,329 |
| Spectacle lenses of glass, unmounted | $73,820 | $202,209 | $246,214 | $349,990 | $493,700 | $183,446 | $535,200 |
| Spectacle lenses of mats. other than glass, unmounted | $5,262,768 | $6,096,017 | $8,271,440 | $7,911,971 | $10,692,765 | $17,159,588 | $20,083,017 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $5,916,830 | $6,407,004 | $8,097,311 | $9,016,296 | $9,507,805 | $10,258,507 | $15,392,965 |
| Total | $32,865,440 | $45,396,852 | $57,990,557 | $67,901,380 | $80,712,898 | $77,815,668 | $73,266,229 |
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