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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $179,836 | $140,591 | $716,616 | $340,689 | $223,374 | $233,293 | $448,939 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $168,453 | $341,582 | $332,424 | $516,199 | $437,426 | $203,832 | $271,865 |
| Electro-magnetic couplings, clutches & brakes | $738,915 | $837,476 | $953,699 | $711,430 | $580,410 | $806,668 | $919,849 |
| Electro-magnetic lifting heads | $419,812 | $444,353 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $343,173 | $605,672 | $1,506,219 | $971,152 | $915,552 | $912,080 | $1,117,599 |
| Total | $1,850,189 | $2,369,674 | $3,508,958 | $2,539,470 | $2,156,762 | $2,155,873 | $2,758,252 |
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