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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $671 | $9,608 | | $30,219 | $136,440 | $6,155 | $2,162 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $655 | $2,601 | $5,960 | $3,388 | $154,217 | $31,416 | $7,100 |
| Electro-magnetic couplings, clutches & brakes | $6,226 | $17,003 | $17,603 | $5,694 | $1,113 | $172 | $8,756 |
| Electro-magnetic lifting heads | $549 | | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $48,216 | $7,584 | $4,471 | $42,767 | $7,012 | $10,328 | $27,046 |
| Total | $56,317 | $36,796 | $28,034 | $82,068 | $298,782 | $48,071 | $45,064 |
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