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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $32,662 | $36,691 | $27,302 | $27,688 | $34,941 | $24,511 | $43,281 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $42,023 | $37,764 | $59,193 | $82,762 | $43,082 | $33,563 | $26,246 |
| Electro-magnetic couplings, clutches & brakes | $13,834 | $13,080 | $22,490 | $31,335 | $56,169 | $30,158 | $35,753 |
| Electro-magnetic lifting heads | | | $2,322 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $9,570 | $19,992 | $16,509 | $38,106 | $18,571 | $25,100 | $9,267 |
| Total | $98,089 | $107,527 | $127,816 | $179,891 | $152,763 | $113,332 | $114,547 |
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