|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | | $6 | | $125 | $146 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $1,103 | $2,393 | $221 | | |
| Electro-magnetic couplings, clutches & brakes | | | $29 | | $931 |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | | | $2,693 | | $1,247 |
| Total | $1,103 | $2,399 | $2,943 | $125 | $2,324 |
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