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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical fibres, optical fibre bundles & cables (excl. of 85.44) | $1,695,500 | $839,180 | $479,299 | $806,328 | $411,560 | $2,987,629 | $1,761,906 |
| Sheets & plates of polarising mat. | | | | | $9,393 | | |
| Contact lenses | $556,128 | $909,379 | $1,229,819 | $2,103,072 | $1,409,644 | $2,433,072 | $2,318,233 |
| Spectacle lenses of glass, unmounted | $1,287 | $1,185 | $3,125 | $4,144 | $3,187 | | |
| Spectacle lenses of mats. other than glass, unmounted | $95,579 | $215,517 | $519,059 | $447,568 | $260,710 | $34,668 | $91,131 |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $2,764,842 | $1,343,537 | $1,087,804 | $877,639 | $21,619 | $31,972 | $138,140 |
| Total | $5,113,336 | $3,308,798 | $3,319,106 | $4,238,751 | $2,116,113 | $5,487,341 | $4,309,410 |
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