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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $60,822,422 | $59,790,559 | $67,639,326 | $63,580,651 | $46,268,626 | $72,587,212 | $112,733,483 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $49,406,239 | $50,646,280 | $52,606,936 | $50,808,606 | $40,051,918 | $47,928,574 | $58,208,856 |
| Electro-magnetic couplings, clutches & brakes | $31,603,697 | $23,461,335 | $41,457,131 | $45,072,283 | $22,623,330 | $24,171,801 | $26,497,020 |
| Electro-magnetic lifting heads | $4,853,710 | $4,773,465 | $603,154 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $23,366,873 | $21,405,401 | $26,085,067 | $27,401,824 | $33,584,736 | $48,149,558 | $58,649,453 |
| Total | $170,052,941 | $160,077,040 | $188,391,614 | $186,863,364 | $142,528,610 | $192,837,145 | $256,088,812 |
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