|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sheets & plates of polarising mat. | | | | $1,040 | | |
| Spectacle lenses of glass, unmounted | | | | | $1,075 | |
| Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... | $295 | $139 | $2,327 | | | $681 |
| Total | $295 | $139 | $2,327 | $1,040 | $1,075 | $681 |
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