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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $15,777 | $35,003 | $47,431 | $46,710 | $19,405 | $35,406 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $24,384 | $33,579 | $31,264 | $49,834 | $46,401 | $53,532 |
| Electro-magnetic couplings, clutches & brakes | $33,739 | $49,391 | $54,281 | $55,886 | $41,034 | $31,030 |
| Electro-magnetic lifting heads | $131 | $798 | $1 | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $43,281 | $40,825 | $75,349 | $75,577 | $25,229 | $26,048 |
| Total | $117,312 | $159,596 | $208,326 | $228,007 | $132,069 | $146,016 |
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