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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $36,536 | $63,602 | $25,446 | $34,050 | $21,796 | $14,123 | $26,314 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $66,390 | $64,528 | $340,043 | $70,762 | $75,643 | $91,527 | $114,840 |
| Electro-magnetic couplings, clutches & brakes | $9,214 | $8,400 | $12,042 | $15,253 | $7,889 | $16,257 | $20,859 |
| Electro-magnetic lifting heads | $862 | $1,623 | | | $42 | $80 | $648 |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $58,899 | $47,141 | $31,949 | $19,865 | $4,278 | $534,401 | $30,643 |
| Total | $171,901 | $185,294 | $409,480 | $139,930 | $109,648 | $656,388 | $193,304 |
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