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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $9,539 | $4,591 | $11,277 | $18,438 | $20,277 | $22,383 | $13,897 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $2,489 | $662 | $22,436 | $7,353 | $9,871 | $49,894 | $44,741 |
| Electro-magnetic couplings, clutches & brakes | $7,375 | $22,381 | $106,238 | $107,242 | $113,495 | $261,274 | $166,449 |
| Electro-magnetic lifting heads | | $10,033 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $12,666 | $33,555 | $45,608 | $68,609 | $45,380 | $185,935 | $115,769 |
| Total | $32,069 | $71,222 | $185,559 | $201,642 | $189,023 | $519,486 | $340,856 |
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