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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | | | $4,148 | | $142 | $9,412 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $212 | $21,370 | $392 | $205 | $1,107 | $2,767 |
| Electro-magnetic couplings, clutches & brakes | $10,242 | $83 | $2,246 | $813 | $28,653 | $300,903 |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $8,739 | $2,169 | $87,088 | $698,453 | $484,348 | $291,472 |
| Total | $19,193 | $23,622 | $93,874 | $699,471 | $514,250 | $604,554 |
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