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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Binoculars | $6,848,532 | $7,579,102 | $8,790,347 | $7,899,894 | $12,293,869 | $6,740,901 | $8,068,921 |
| Monoculars & oth. optical telescopes; oth. astronomical instr. (excl. instr ... | $11,682,429 | $15,013,531 | $1,159,303 | $814,552 | $915,624 | $1,046,910 | $1,896,178 |
| Parts & accessories, incl. mountings, of the instr. of 90.05 | $2,667,898 | $1,609,269 | $1,875,745 | $1,019,331 | $1,312,462 | $594,723 | $3,771,248 |
| Total | $21,198,859 | $24,201,902 | $11,825,395 | $9,733,777 | $14,521,955 | $8,382,534 | $13,736,347 |
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