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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Binoculars | $1,668,937 | $1,420,219 | $2,034,967 | $2,153,184 | $2,070,501 | $1,832,218 | $1,698,817 |
| Monoculars & oth. optical telescopes; oth. astronomical instr. (excl. instr ... | $996,963 | $1,332,255 | $1,676,901 | $1,533,679 | $3,152,465 | $2,443,927 | $1,100,982 |
| Parts & accessories, incl. mountings, of the instr. of 90.05 | $134,667 | $629,308 | $251,146 | $181,953 | $448,384 | $311,693 | $446,169 |
| Total | $2,800,567 | $3,381,782 | $3,963,014 | $3,868,816 | $5,671,350 | $4,587,838 | $3,245,968 |
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