|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ... | | | | | | | $29,936 |
| Objective lenses (excl. of 9002.11), of any mat., mounted | $2,921 | $870 | | | | | |
| Filters (i.e., optical elements), of any mat., mounted | $1,214,952 | $1,171,065 | $2,285,776 | $4,388,082 | $3,049,632 | $7,379,397 | $7,811,342 |
| Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ... | $4,273,725 | $303,777 | $125,333 | | $679 | | |
| Total | $5,491,598 | $1,475,712 | $2,411,109 | $4,388,082 | $3,050,311 | $7,379,397 | $7,841,278 |
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