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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $4,751 | $12,055 | $27,492 | $73,432 | $66,927 | $24,634 | $129,555 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $61,523 | $35,685 | $80,117 | $104,568 | $88,645 | $52,072 | $271,177 |
| Electro-magnetic couplings, clutches & brakes | $23,158 | $15,465 | $56,009 | $19,705 | $23,956 | $55,325 | $118,502 |
| Electro-magnetic lifting heads | $13,210 | $23,181 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $14,351 | $94,152 | $114,575 | $101,485 | $121,831 | $154,631 | $397,889 |
| Total | $116,993 | $180,538 | $278,193 | $299,190 | $301,359 | $286,662 | $917,123 |
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