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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $404 | $263 | $210 | $12,440 | $5,021 | $93 | $13,960 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $4,978 | $7,293 | $8,841 | $1,109 | $6,228 | $915 | $18,355 |
| Electro-magnetic couplings, clutches & brakes | $6,408 | $2,373 | $2,033 | $77,666 | $28,516 | $65,450 | $120,080 |
| Electro-magnetic lifting heads | $484 | | $774 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $4,418 | $15 | $10,221 | $149,250 | $5,641 | $25,556 | $1,745 |
| Total | $16,692 | $9,944 | $22,079 | $240,465 | $45,406 | $92,014 | $154,140 |
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