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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $21,724,395 | $20,633,444 | $37,944,764 | $43,133,378 | $35,039,217 | $47,184,116 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $14,044,091 | $21,888,486 | $19,823,346 | $28,302,733 | $15,351,975 | $20,439,379 |
| Electro-magnetic couplings, clutches & brakes | $9,424,472 | $11,344,374 | $11,589,582 | $14,873,375 | $7,982,860 | $8,642,688 |
| Electro-magnetic lifting heads | $266,038 | $461,061 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $16,217,152 | $20,045,496 | $25,453,435 | $31,173,086 | $20,019,221 | $45,292,244 |
| Total | $61,676,148 | $74,372,861 | $94,811,127 | $117,482,572 | $78,393,273 | $121,558,427 |
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