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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $1,065 | $642 | $135,202 | | $27,205 | $3,864 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $22 | $1,587 | $13,599 | $11,879 | $13,086 | $36,977 |
| Electro-magnetic couplings, clutches & brakes | $102 | $46 | $383 | $17,862 | $1,815 | $9,286 |
| Electro-magnetic lifting heads | $136 | $196 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $1,881 | $6,634 | $32,436 | $4,359 | $2,594 | $7,263 |
| Total | $3,206 | $9,105 | $181,620 | $34,100 | $44,700 | $57,390 |
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