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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical, photographic, cinematographic, measuring, checking, precision, med ... | $13,311,569,005 | $14,398,135,228 | $14,815,161,540 | $15,078,242,271 | $12,997,176,720 | $13,720,840,926 | $14,926,654,826 |
| Clocks and watches and parts thereof | $990,382,995 | $1,050,204,074 | $1,241,137,003 | $1,287,600,275 | $1,074,618,096 | $1,216,798,943 | $1,473,485,816 |
| Musical instruments; parts and accessories of such articles | $355,265,573 | $348,071,398 | $373,907,389 | $357,367,638 | $310,761,447 | $286,058,929 | $290,321,516 |
| Total | $14,657,217,573 | $15,796,410,700 | $16,430,205,932 | $16,723,210,184 | $14,382,556,263 | $15,223,698,798 | $16,690,462,158 |
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