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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $3,378,754 | $1,720,290 | $3,213,136 | $5,036,382 | $3,957,957 | $3,925,900 | $7,022,366 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $1,848,446 | $4,085,529 | $4,527,336 | $8,751,316 | $4,076,314 | $5,724,222 | $5,789,855 |
| Electro-magnetic couplings, clutches & brakes | $4,148,696 | $3,802,466 | $5,665,945 | $12,879,557 | $6,227,520 | $7,190,973 | $9,119,778 |
| Electro-magnetic lifting heads | $166,926 | $1,107,828 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $28,988,007 | $33,165,006 | $25,075,983 | $19,474,017 | $11,742,792 | $13,073,526 | $14,946,590 |
| Total | $38,530,829 | $43,881,119 | $38,482,400 | $46,141,272 | $26,004,583 | $29,914,621 | $36,878,589 |
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