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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $580,389 | $503,523 | $344,730 | $1,754,995 | $3,322,036 | $1,508,975 | $4,339,225 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $218,491 | $345,589 | $1,083,218 | $1,058,486 | $633,394 | $336,018 | $898,795 |
| Electro-magnetic couplings, clutches & brakes | $2,418,438 | $3,500,533 | $3,776,040 | $5,721,425 | $2,545,495 | $2,650,714 | $4,271,258 |
| Electro-magnetic lifting heads | $102,041 | $49,460 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $790,016 | $752,479 | $827,135 | $1,044,577 | $596,414 | $1,216,548 | $1,051,346 |
| Total | $4,109,375 | $5,151,584 | $6,031,123 | $9,579,483 | $7,097,339 | $5,712,255 | $10,560,624 |
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