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| Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Optical, photographic, cinematographic, measuring, checking, precision, med ... | $49,302,867,752 | $55,027,203,475 | $58,582,710,104 | $62,472,485,477 | $57,525,289,008 | $64,474,392,474 | $69,524,653,011 |
| Clocks and watches and parts thereof | $520,475,984 | $668,394,283 | $789,135,614 | $819,367,099 | $772,670,770 | $901,461,242 | $1,104,182,605 |
| Musical instruments; parts and accessories of such articles | $601,834,255 | $629,597,578 | $664,092,996 | $748,788,076 | $688,569,318 | $707,054,901 | $812,654,551 |
| Total | $50,425,177,991 | $56,325,195,336 | $60,035,938,714 | $64,040,640,652 | $58,986,529,096 | $66,082,908,617 | $71,441,490,167 |
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