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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $9,238 | $14,862 | $46,356 | $39,182 | $66,334 | $26,898 | $27,962 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $16,162 | $62,477 | $113,032 | $11,317 | $44,258 | $255,030 | $192,976 |
| Electro-magnetic couplings, clutches & brakes | $10,743 | $20,416 | $28,895 | $43,561 | $73,694 | $26,002 | $88,522 |
| Electro-magnetic lifting heads | $2,888 | $90 | $5,895 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $106,509 | $129,298 | $63,368 | $95,417 | $73,618 | $115,337 | $588,018 |
| Total | $145,540 | $227,143 | $257,546 | $189,477 | $257,904 | $423,267 | $897,478 |
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