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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Optical, photographic, cinematographic, measuring, checking, precision, med ... | $1,814,112,563 | $1,956,231,801 | $2,213,755,972 | $2,203,179,932 | $1,827,380,697 | $2,012,231,441 |
| Clocks and watches and parts thereof | $245,898,099 | $257,915,382 | $291,296,247 | $342,903,145 | $280,036,510 | $321,091,763 |
| Musical instruments; parts and accessories of such articles | $37,778,867 | $42,185,966 | $46,589,489 | $51,775,884 | $43,705,899 | $43,724,372 |
| Total | $2,097,789,529 | $2,256,333,149 | $2,551,641,708 | $2,597,858,961 | $2,151,123,106 | $2,377,047,576 |
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