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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $10,162 | $16,943 | $46,417 | $117,903 | $122,976 | $107,372 | $125,271 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $187,916 | $64,383 | $103,022 | $147,317 | $127,249 | $225,974 | $225,816 |
| Electro-magnetic couplings, clutches & brakes | $401,887 | $695,910 | $810,440 | $673,188 | $1,104,154 | $1,214,227 | $1,214,152 |
| Electro-magnetic lifting heads | $2,112 | | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $116,264 | $31,463 | $110,540 | $1,381,072 | $3,535,697 | $1,518,211 | $312,609 |
| Total | $718,341 | $808,699 | $1,070,419 | $2,319,480 | $4,890,076 | $3,065,784 | $1,877,848 |
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