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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $98,281,154 | $66,042,833 | $60,592,039 | $52,154,990 | $42,529,912 | $54,140,427 | $49,128,988 |
| Sheets & plates of polarising mat. | $2,351,342 | $951,649 | $3,242,199 | $2,439,884 | $2,719,043 | $2,352,925 | $2,575,588 |
| Contact lenses | $514,579,738 | $593,995,817 | $650,721,839 | $720,740,514 | $662,701,147 | $734,139,126 | $827,269,462 |
| Spectacle lenses of glass, unmounted | $7,850,948 | $14,812,185 | $11,381,738 | $6,542,640 | $5,492,902 | $5,182,274 | $6,043,980 |
| Spectacle lenses of mats. other than glass, unmounted | $66,141,031 | $116,279,204 | $111,610,811 | $102,025,373 | $118,388,368 | $121,876,605 | $99,058,197 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $54,805,452 | $58,397,328 | $72,652,956 | $81,332,461 | $72,034,137 | $76,927,257 | $93,302,050 |
| Total | $744,009,665 | $850,479,016 | $910,201,582 | $965,235,862 | $903,865,509 | $994,618,614 | $1,077,378,265 |
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