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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $26,709 | $20,899 | $633,277 | $11,645 | $28,707 | $136,122 | $33,984 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $11,018 | $2,450 | $7,367 | $53,901 | $314,312 | $14,480 | $22,118 |
| Electro-magnetic couplings, clutches & brakes | $58,997 | $28,174 | $44,055 | $18,104 | $24,887 | $75,220 | $38,607 |
| Electro-magnetic lifting heads | $10,177 | $333 | $18,893 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $750,110 | $64,532 | $21,532 | $143,304 | $143,957 | $129,465 | $89,969 |
| Total | $857,011 | $116,388 | $725,124 | $226,954 | $511,863 | $355,287 | $184,678 |
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