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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $27,762,178 | $44,599,130 | $18,170,488 | $16,833,536 | $8,608,587 | $9,694,975 | $17,086,935 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $18,371,636 | $27,671,454 | $33,501,052 | $25,146,742 | $19,983,245 | $11,186,321 | $7,523,218 |
| Electro-magnetic couplings, clutches & brakes | $55,276,054 | $17,628,070 | $1,658,537 | $3,011,599 | $2,664,496 | $3,287,408 | $17,459,962 |
| Electro-magnetic lifting heads | $1,008,333 | $867,753 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $95,758,655 | $72,829,965 | $76,770,575 | $114,596,163 | $51,738,607 | $72,202,802 | $35,512,026 |
| Total | $198,176,856 | $163,596,372 | $130,100,652 | $159,588,040 | $82,994,935 | $96,371,506 | $77,582,141 |
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