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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $2,040 | $2,216 | $12,759 | $26,489 | $9,340 | $355,076 | $4,464 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $38,935 | $14,230 | $21,719 | $9,534 | $16,035 | $18,586 | $66,707 |
| Electro-magnetic couplings, clutches & brakes | $1,427 | $2,753 | $23,925 | $35,624 | $14,289 | $305,359 | $90,013 |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $40,676 | $193,813 | $367,824 | $796,643 | $93,765 | $20,768 | $33,337 |
| Total | $83,078 | $213,012 | $426,227 | $868,290 | $133,429 | $699,789 | $194,521 |
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