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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $2,021,223 | $7,110,636 | $3,101,434 | $910,668 | $2,806,670 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $1,568,626 | $1,304,046 | $1,685,155 | | $1,206,935 |
| Electro-magnetic couplings, clutches & brakes | $497,484 | $1,630,076 | $2,370,320 | | $2,270,403 |
| Electro-magnetic lifting heads | $274,148 | $363,124 | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $403,134 | $521,074 | $3,098,153 | | $2,692,003 |
| Total | $4,764,615 | $10,928,956 | $10,255,062 | $910,668 | $8,976,011 |
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