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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $8,452,484 | $9,565,888 | $13,775,886 | $15,282,391 | $9,492,797 | $13,383,044 | $23,985,536 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $11,060,638 | $13,962,142 | $18,112,513 | $20,215,200 | $16,580,652 | $23,173,769 | $34,141,655 |
| Electro-magnetic couplings, clutches & brakes | $15,260,417 | $24,712,311 | $32,386,000 | $31,569,040 | $19,465,474 | $22,921,864 | $30,196,810 |
| Electro-magnetic lifting heads | $111,584 | $232,318 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $24,929,396 | $27,164,746 | $35,378,559 | $39,070,394 | $22,302,512 | $35,141,441 | $40,923,783 |
| Total | $59,814,519 | $75,637,405 | $99,652,958 | $106,137,025 | $67,841,435 | $94,620,118 | $129,247,784 |
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