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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ... | | $7,641 | | $9,868 | $4,025 | $1,521 |
| Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ... | $947 | $118 | $1,333 | | $356 | $4,374 |
| Total | $947 | $7,759 | $1,333 | $9,868 | $4,381 | $5,895 |
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