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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $25,484,574 | $30,454,799 | $42,682,123 | $47,864,177 | $28,287,936 | $36,434,613 | $58,958,299 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $47,303,830 | $54,435,473 | $59,627,507 | $68,374,361 | $38,630,013 | $57,317,213 | $86,794,744 |
| Electro-magnetic couplings, clutches & brakes | $17,818,923 | $21,166,723 | $24,064,696 | $44,154,033 | $51,049,228 | $67,998,542 | $72,962,337 |
| Electro-magnetic lifting heads | $110,088 | $317,129 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $34,301,162 | $41,663,708 | $49,662,701 | $55,038,197 | $37,488,273 | $45,967,256 | $57,484,155 |
| Total | $125,018,577 | $148,037,832 | $176,037,027 | $215,430,768 | $155,455,450 | $207,717,624 | $276,199,535 |
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