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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $12,857,000 | $6,839,000 | $7,479,000 | | $1,919,000 | $648,000 | $694,000 |
| Sheets & plates of polarising mat. | $511,000 | $8,000 | $3,000 | | $4,000 | $5,000 | $1,000 |
| Contact lenses | $53,000 | $109,000 | $601,000 | $5,412,000 | $13,001,000 | $19,261,000 | $24,340,000 |
| Spectacle lenses of glass, unmounted | $20,831,000 | $21,934,000 | $21,593,000 | $25,461,000 | $26,308,000 | $27,529,000 | $30,311,000 |
| Spectacle lenses of mats. other than glass, unmounted | $17,048,000 | $19,194,000 | $18,758,000 | $46,611,000 | $36,459,000 | $37,211,000 | $57,835,000 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $6,901,000 | $7,744,000 | $9,807,000 | $11,561,000 | $5,004,000 | $6,259,000 | $9,153,000 |
| Total | $58,201,000 | $55,828,000 | $58,241,000 | $89,045,000 | $82,695,000 | $90,913,000 | $122,334,000 |
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