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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $122,518,996 | $120,266,901 | $149,732,506 | $184,355,849 | $119,028,937 | $170,379,555 | $294,447,159 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $93,072,153 | $94,329,647 | $100,140,778 | $102,810,639 | $71,153,107 | $116,060,317 | $130,028,568 |
| Electro-magnetic couplings, clutches & brakes | $6,164,782 | $8,076,145 | $19,429,422 | $27,008,417 | $16,077,983 | $28,657,401 | $34,705,811 |
| Electro-magnetic lifting heads | $295,706 | $438,406 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $33,942,521 | $41,463,710 | $41,302,023 | $40,596,698 | $36,098,999 | $57,484,475 | $63,129,627 |
| Total | $255,994,158 | $264,574,809 | $310,604,729 | $354,771,603 | $242,359,026 | $372,581,748 | $522,311,165 |
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