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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | | $14,327 | $24,345 | $77,510 | $54,310 | $54,677 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $75 | | $130,683 | $54,155 | $56,882 | $90,411 |
| Electro-magnetic couplings, clutches & brakes | $140 | $3,146 | $11,646 | $3,234 | $8,729 | $13,487 |
| Electro-magnetic lifting heads | | | $853 | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | | $23,977 | $22,583 | $9,641 | $111,621 | $201,320 |
| Total | $215 | $41,450 | $190,110 | $144,540 | $231,542 | $359,895 |
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