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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $27,412 | $5,426 | $51,806 | $298,619 | $56,802 | $69,062 | $110,372 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $15,048 | $3,854 | $145,056 | $15,548 | $13,172 | $61,039 | $36,323 |
| Electro-magnetic couplings, clutches & brakes | $77,965 | $10,910 | $22,221 | $59,439 | $429,705 | $97,017 | $282,731 |
| Electro-magnetic lifting heads | $32,061 | $10,008 | | $11,380 | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $66,654 | $102,915 | $145,316 | $142,920 | $185,236 | $128,320 | $230,724 |
| Total | $219,140 | $133,113 | $364,399 | $527,906 | $684,915 | $355,438 | $660,150 |
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