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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical, photographic, cinematographic, measuring, checking, precision, med ... | $41,959,541,510 | $44,792,636,349 | $48,368,476,916 | $50,771,744,095 | $44,225,748,033 | $51,878,504,635 | $58,309,509,504 |
| Clocks and watches and parts thereof | $4,034,016,677 | $4,163,588,909 | $4,540,277,919 | $4,420,557,567 | $3,149,908,045 | $3,830,704,238 | $4,923,707,895 |
| Musical instruments; parts and accessories of such articles | $1,603,292,609 | $1,475,656,218 | $1,445,099,695 | $1,514,674,228 | $1,115,106,589 | $1,256,703,001 | $1,298,013,379 |
| Total | $47,596,850,796 | $50,431,881,476 | $54,353,854,530 | $56,706,975,890 | $48,490,762,667 | $56,965,911,874 | $64,531,230,778 |
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