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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $43,493 | $90,689 | $196,537 | $180,824 | $155,984 | $118,078 | $84,760 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $87,671 | $98,508 | $78,960 | $63,200 | $437,278 | $84,777 | $66,595 |
| Electro-magnetic couplings, clutches & brakes | $61,332 | $51,691 | $66,356 | $77,750 | $90,146 | $10,478 | $10,884 |
| Electro-magnetic lifting heads | $3,255 | $367 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $57,832 | $136,908 | $103,420 | $146,901 | $107,891 | $107,042 | $67,186 |
| Total | $253,583 | $378,163 | $445,273 | $468,675 | $791,299 | $320,375 | $229,425 |
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