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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $66,562 | $130,396 | $139,489 | $280,948 | $271,255 | $338,839 | $271,549 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $145,095 | $160,562 | $189,532 | $311,676 | $291,491 | $568,037 | $616,304 |
| Electro-magnetic couplings, clutches & brakes | $6,323,044 | $8,062,156 | $5,704,489 | $4,870,507 | $7,578,174 | $11,817,556 | $11,341,212 |
| Electro-magnetic lifting heads | $10,548 | $169 | $13,804 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $502,673 | $219,952 | $369,066 | $368,349 | $404,581 | $672,385 | $685,998 |
| Total | $7,047,922 | $8,573,235 | $6,416,380 | $5,831,480 | $8,545,501 | $13,396,817 | $12,915,063 |
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