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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $125,232 | $410,449 | $214,905 | $359,094 | $478,561 | $528,815 | $400,043 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $3,012,252 | $2,630,595 | $5,016,564 | $5,852,597 | $3,577,199 | $3,133,607 | $4,503,056 |
| Electro-magnetic couplings, clutches & brakes | $663,216 | $957,899 | $1,298,149 | $1,425,148 | $1,641,857 | $1,763,678 | $1,615,032 |
| Electro-magnetic lifting heads | $662,867 | $57,269 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $15,565,079 | $21,410,276 | $27,347,535 | $35,869,145 | $22,121,654 | $42,985,864 | $58,652,811 |
| Total | $20,028,646 | $25,466,488 | $33,877,153 | $43,505,984 | $27,819,271 | $48,411,964 | $65,170,942 |
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