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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $23,059 | $13,575 | $35,773 | $21,659 | $50,013 | $32,412 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $95,433 | $48,634 | $57,165 | $35,673 | $43,023 | $164,797 |
| Electro-magnetic couplings, clutches & brakes | $117,879 | $40,917 | $86,313 | $4,867,234 | $302,524 | $192,453 |
| Electro-magnetic lifting heads | $365 | $4,091 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $268,335 | $104,402 | $75,169 | $218,909 | $463,264 | $161,539 |
| Total | $505,071 | $211,619 | $254,420 | $5,143,475 | $858,824 | $551,201 |
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