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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical, photographic, cinematographic, measuring, checking, precision, med ... | $7,768,523,344 | $8,521,186,943 | $9,499,447,338 | $11,105,198,491 | $9,901,836,784 | $11,210,546,148 | $13,056,053,600 |
| Clocks and watches and parts thereof | $9,945,081,885 | $10,963,904,601 | $13,322,483,894 | $15,813,473,487 | $12,180,216,013 | $15,535,319,836 | $21,766,185,852 |
| Musical instruments; parts and accessories of such articles | $29,134,858 | $29,553,253 | $38,015,418 | $35,634,988 | $28,685,722 | $30,000,030 | $31,148,404 |
| Total | $17,742,740,087 | $19,514,644,797 | $22,859,946,650 | $26,954,306,966 | $22,110,738,519 | $26,775,866,014 | $34,853,387,856 |
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