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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $12,910,511 | $17,075,608 | $33,440,348 | $37,995,720 | $16,589,112 | $31,266,476 | $54,261,637 |
| Sheets & plates of polarising mat. | $14,804 | $32,577 | $42,275 | $41,267 | $46,113 | $128,605 | $124,495 |
| Contact lenses | $11,899,111 | $20,936,706 | $38,259,423 | $61,259,138 | $67,733,794 | $75,103,827 | $84,667,106 |
| Spectacle lenses of glass, unmounted | $2,529,209 | $4,513,455 | $3,483,929 | $4,459,329 | $2,538,298 | $2,874,188 | $2,010,370 |
| Spectacle lenses of mats. other than glass, unmounted | $14,429,863 | $23,371,793 | $31,826,101 | $46,986,825 | $34,065,490 | $44,034,812 | $53,090,330 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $1,109,788 | $2,445,414 | $3,158,590 | $4,750,231 | $10,151,637 | $8,763,285 | $8,436,566 |
| Total | $42,893,286 | $68,375,553 | $110,210,666 | $155,492,510 | $131,124,444 | $162,171,193 | $202,590,504 |
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