|
| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | | | $181 | $1,692 | | $150 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $2,798 | | | | $123 | $163 |
| Electro-magnetic couplings, clutches & brakes | $455 | | | $2,782 | | $60 |
| Electro-magnetic lifting heads | | | $861 | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $1,224 | $34,701 | $3,353 | | | $2,306 |
| Total | $4,477 | $34,701 | $4,395 | $4,474 | $123 | $2,679 |
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