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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $13,000 | $6,365 | $10,309 | $16,621 | $18,184 | $24,198 | $33,380 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $54,150 | $25,501 | $21,362 | $29,786 | $16,205 | $27,829 | $72,638 |
| Electro-magnetic couplings, clutches & brakes | $54,700 | $91,621 | $267,284 | $211,436 | $140,983 | $234,657 | $264,366 |
| Electro-magnetic lifting heads | | $1,343 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $7,730 | $23,012 | $29,396 | $28,417 | $43,712 | $40,702 | $41,201 |
| Total | $129,580 | $147,842 | $328,351 | $286,260 | $219,084 | $327,386 | $411,585 |
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