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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | | | $2,759 | | | | $536 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $312 | $125 | $375 | $4,726 | | $1,440 | $377 |
| Electro-magnetic couplings, clutches & brakes | | | | | $1,696 | | $922 |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | | | | | | $693 | $26 |
| Total | $312 | $125 | $3,134 | $4,726 | $1,696 | $2,133 | $1,861 |
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