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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $21,496 | $22,298 | $21,828 | $16,513 | $27,218 | $29,779 | $35,714 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $36,254 | $126,726 | $206,906 | $484,188 | $101,817 | $96,567 | $85,851 |
| Electro-magnetic couplings, clutches & brakes | $78,361 | $45,603 | $147,745 | $212,688 | $174,744 | $23,642 | $11,802 |
| Electro-magnetic lifting heads | | $1,490 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $265,542 | $85,634 | $94,210 | $73,355 | $96,466 | $79,075 | $130,628 |
| Total | $401,653 | $281,751 | $470,689 | $786,744 | $400,245 | $229,063 | $263,995 |
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