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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $195,495 | $194,394 | $261,541 | $106,354 | $73,914 | $99,167 | $144,231 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $78,582 | $116,260 | $112,223 | $126,495 | $93,783 | $103,497 | $83,810 |
| Electro-magnetic couplings, clutches & brakes | $49,467 | $59,486 | $100,450 | $82,115 | $37,244 | $48,895 | $46,475 |
| Electro-magnetic lifting heads | $4,508 | $162,466 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $213,770 | $246,890 | $316,747 | $220,184 | $163,644 | $178,926 | $207,069 |
| Total | $541,822 | $779,496 | $790,961 | $535,148 | $368,585 | $430,485 | $481,585 |
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