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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $40,686,404 | $37,306,967 | $43,869,989 | $40,391,824 | $25,130,150 | $25,099,132 | $38,081,466 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $26,260,239 | $20,077,012 | $17,916,263 | $18,546,002 | $14,304,693 | $19,145,278 | $24,929,653 |
| Electro-magnetic couplings, clutches & brakes | $13,906,180 | $19,350,995 | $25,486,100 | $20,816,669 | $12,525,152 | $15,267,356 | $21,121,120 |
| Electro-magnetic lifting heads | $139,131 | $266,389 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $376,315,195 | $361,199,408 | $405,095,611 | $352,478,123 | $110,271,975 | $76,617,251 | $76,787,016 |
| Total | $457,307,149 | $438,200,771 | $492,367,963 | $432,232,618 | $162,231,970 | $136,129,017 | $160,919,255 |
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