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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical, photographic, cinematographic, measuring, checking, precision, med ... | $8,598,160,818 | $9,207,721,454 | $9,591,045,855 | $10,110,996,008 | $9,059,824,688 | $10,335,014,632 | $11,606,494,484 |
| Clocks and watches and parts thereof | $279,009,760 | $307,213,742 | $346,815,702 | $355,074,148 | $325,214,750 | $348,086,797 | $398,372,583 |
| Musical instruments; parts and accessories of such articles | $213,048,305 | $222,593,257 | $236,448,506 | $259,372,847 | $211,979,710 | $227,031,495 | $242,989,802 |
| Total | $9,090,218,883 | $9,737,528,453 | $10,174,310,063 | $10,725,443,003 | $9,597,019,148 | $10,910,132,924 | $12,247,856,869 |
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