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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $873 | $324 | $97,596 | $3,622 | $704 | $701 | $23,690 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $6,153 | $9,385 | $8,428 | $4,424 | $5,013 | $12,094 | $5,241 |
| Electro-magnetic couplings, clutches & brakes | $2,236 | $27,420 | $9,397 | $6,146 | $41,191 | $1,129 | $4,393 |
| Electro-magnetic lifting heads | $45 | | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $26,511 | $2,496 | $11,544 | $15,449 | $4,318 | $17,833 | $8,392 |
| Total | $35,818 | $39,625 | $126,965 | $29,641 | $51,226 | $31,757 | $41,716 |
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