|
| Commodity | 2009 | 2010 | 2011 |
| Binoculars | $23,359 | $24,223 | $24,596 |
| Monoculars & oth. optical telescopes; oth. astronomical instr. (excl. instr ... | $16,397 | $9,017 | $4,882 |
| Parts & accessories, incl. mountings, of the instr. of 90.05 | $1,426 | $5,387 | $833 |
| Total | $41,182 | $38,627 | $30,311 |
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