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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical, photographic, cinematographic, measuring, checking, precision, med ... | $13,107,187,644 | $14,457,065,181 | $15,020,402,582 | $16,672,157,376 | $14,699,391,055 | $16,016,983,673 | $16,902,083,552 |
| Clocks and watches and parts thereof | $1,066,343,180 | $1,341,718,536 | $1,757,565,198 | $2,071,305,664 | $1,760,968,803 | $1,987,278,945 | $2,567,117,603 |
| Musical instruments; parts and accessories of such articles | $198,740,256 | $240,883,120 | $253,169,139 | $297,755,512 | $252,920,428 | $306,332,197 | $335,749,603 |
| Total | $14,372,271,080 | $16,039,666,837 | $17,031,136,919 | $19,041,218,552 | $16,713,280,286 | $18,310,594,815 | $19,804,950,758 |
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