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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical, photographic, cinematographic, measuring, checking, precision, med ... | $1,430,934,873 | $1,749,726,591 | $1,943,286,087 | $2,156,467,487 | $1,778,358,759 | $1,868,674,001 | $2,244,266,190 |
| Clocks and watches and parts thereof | $54,601,886 | $59,652,075 | $74,567,108 | $78,780,769 | $62,368,714 | $73,803,637 | $87,173,990 |
| Musical instruments; parts and accessories of such articles | $39,961,563 | $42,682,373 | $52,065,232 | $56,392,525 | $49,151,104 | $53,757,870 | $56,854,885 |
| Total | $1,525,498,322 | $1,852,061,039 | $2,069,918,427 | $2,291,640,781 | $1,889,878,577 | $1,996,235,508 | $2,388,295,065 |
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