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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $48,828,310 | $74,076,223 | $76,374,051 | $56,634,359 | $55,873,298 | $145,973,342 | $250,613,436 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $31,254,918 | $38,020,697 | $47,920,494 | $36,894,546 | $76,511,452 | $34,499,950 | $59,802,199 |
| Electro-magnetic couplings, clutches & brakes | $14,829,172 | $4,875,234 | $5,681,648 | $10,363,950 | $9,620,194 | $22,523,137 | $32,034,592 |
| Electro-magnetic lifting heads | $350,360 | $122,850 | $1,612,989 | $1,350,203 | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $209,981,003 | $149,529,040 | $138,869,403 | $70,575,981 | $32,833,681 | $32,942,149 | $35,958,294 |
| Total | $305,243,763 | $266,624,044 | $270,458,585 | $175,819,039 | $174,838,625 | $235,938,578 | $378,408,521 |
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