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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $30,245 | $32,445 | $21,933 | $20,801 | $78,935 | $25,221 | $66,720 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $22,128 | $88,847 | $61,074 | $70,233 | $86,830 | $52,091 | $87,070 |
| Electro-magnetic couplings, clutches & brakes | $20,243 | $24,012 | $23,334 | $27,309 | $40,286 | $28,322 | $44,635 |
| Electro-magnetic lifting heads | $1,893 | | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $73,409 | $43,400 | $56,024 | $50,257 | $66,204 | $41,372 | $81,944 |
| Total | $147,918 | $188,704 | $162,365 | $168,600 | $272,255 | $147,006 | $280,369 |
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