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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $763,548 | $1,022,614 | $642,705 | $872,824 | $866,187 | $2,692,709 | $1,482,207 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $320,112 | $384,198 | $582,317 | $1,010,191 | $524,822 | $633,284 | $862,122 |
| Electro-magnetic couplings, clutches & brakes | $1,928,455 | $2,125,350 | $2,624,957 | $3,219,439 | $2,646,475 | $4,058,757 | $5,283,032 |
| Electro-magnetic lifting heads | $272,499 | $275,056 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $1,557,008 | $1,333,370 | $2,762,614 | $4,128,723 | $5,888,292 | $3,042,139 | $2,674,823 |
| Total | $4,841,622 | $5,140,588 | $6,612,593 | $9,231,177 | $9,925,776 | $10,426,889 | $10,302,184 |
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