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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $15,582,064 | $18,124,305 | $20,367,011 | $21,037,635 | $17,175,419 | $23,894,280 | $35,892,737 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $21,350,877 | $20,728,667 | $23,677,689 | $18,728,535 | $15,017,222 | $19,142,727 | $22,070,890 |
| Electro-magnetic couplings, clutches & brakes | $21,845,861 | $20,035,546 | $20,731,245 | $24,001,236 | $16,683,830 | $21,006,769 | $21,321,753 |
| Electro-magnetic lifting heads | $1,815,583 | $2,235,147 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $20,164,304 | $23,011,215 | $23,713,448 | $21,757,762 | $14,183,742 | $19,425,147 | $25,139,313 |
| Total | $80,758,689 | $84,134,880 | $88,489,393 | $85,525,168 | $63,060,213 | $83,468,923 | $104,424,693 |
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