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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $17,963 | $16,934 | $53,268 | $35,327 | $32,023 | $1,517,720 | $3,609,828 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $34,690 | $29,769 | $73,297 | $49,578 | $114,724 | $91,421 | $246,476 |
| Electro-magnetic couplings, clutches & brakes | $206,857 | $458,871 | $90,725 | $225,698 | $556,188 | $1,244,150 | $1,313,471 |
| Electro-magnetic lifting heads | $4,623 | $2,049 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $35,569 | $50,602 | $42,654 | $131,337 | $223,191 | $257,296 | $1,260,196 |
| Total | $299,702 | $558,225 | $259,944 | $441,940 | $926,126 | $3,110,587 | $6,429,971 |
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