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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $974,072 | $1,282,964 | $2,613,334 | $2,485,953 | $2,555,324 | $3,064,896 | $2,553,620 |
| Sheets & plates of polarising mat. | $35,106 | $56,371 | $28,208 | $24,059 | $8,450 | $3,330 | $4,595 |
| Contact lenses | $10,983,018 | $14,363,509 | $12,225,379 | $27,078,167 | $21,927,927 | $26,226,413 | $24,307,275 |
| Spectacle lenses of glass, unmounted | $1,584,343 | $2,506,262 | $1,889,364 | $1,966,458 | $1,275,142 | $629,311 | $874,323 |
| Spectacle lenses of mats. other than glass, unmounted | $39,431,317 | $36,314,827 | $39,486,063 | $48,525,655 | $23,000,107 | $12,931,419 | $11,584,040 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $1,445,799 | $1,846,259 | $3,877,646 | $2,255,331 | $4,126,520 | $3,300,743 | $7,095,183 |
| Total | $54,453,655 | $56,370,192 | $60,119,994 | $82,335,623 | $52,893,470 | $46,156,112 | $46,419,036 |
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