|
| Commodity | 2005 | 2007 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $8,759 | $7,171 | $4,866 | |
| Electro-magnetic couplings, clutches & brakes | $9,283 | $8,818 | $29,430 | $11,434 |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $1,868 | $330 | $5,766 | $55,355 |
| Total | $19,910 | $16,319 | $40,062 | $66,789 |
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