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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $264,789 | $653,180 | $161,803 | $132,386 | $172,749 | $873,623 | $230,099 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $6,087 | $36,704 | $1,326 | $1,755,208 | $377,106 | $1,721 | $38,222 |
| Electro-magnetic couplings, clutches & brakes | $526,448 | $27,449 | $297,293 | $155,879 | $174,527 | $120,614 | $118,262 |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $17,034,242 | $18,793,680 | $20,971,122 | $20,286,570 | $9,441,290 | $17,047,278 | $22,715,405 |
| Total | $17,831,566 | $19,511,013 | $21,431,544 | $22,330,043 | $10,165,672 | $18,043,236 | $23,101,988 |
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