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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical, photographic, cinematographic, measuring, checking, precision, med ... | $1,661,914,000 | $1,775,058,150 | $1,904,208,529 | $2,162,508,418 | $1,870,674,345 | $2,041,070,066 | $2,120,030,077 |
| Clocks and watches and parts thereof | $9,734,635 | $14,422,815 | $14,966,348 | $16,526,226 | $13,475,187 | $17,534,911 | $15,341,321 |
| Musical instruments; parts and accessories of such articles | $2,334,971 | $2,161,082 | $2,208,317 | $2,075,812 | $1,337,986 | $1,647,818 | $1,484,379 |
| Total | $1,673,983,606 | $1,791,642,047 | $1,921,383,194 | $2,181,110,456 | $1,885,487,518 | $2,060,252,795 | $2,136,855,777 |
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