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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $2,590 | $3,312 | $12,179 | $29,053 | $2,115 | $1,034 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $17,526 | $6,080 | $19,723 | $26,538 | $21,181 | $27,156 |
| Electro-magnetic couplings, clutches & brakes | $6,574 | $197 | $196 | $986 | $4,722 | $13,478 |
| Electro-magnetic lifting heads | $8,458 | $2,625 | $369 | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $14,117 | $5,099 | $23,713 | $8,751 | $3,911 | $9,276 |
| Total | $49,265 | $17,313 | $56,180 | $65,328 | $31,929 | $50,944 |
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