Commodity200520062007200820092010
Permanent magnets & arts. intended to become permanent magnets after magnet ...$629$8,109$8,369$6,125$34,942$4,850
Permanent magnets & arts. intended to become permanent magnets after magnet ...$717$6,152$20,780$30,713$15,947$5,853
Electro-magnetic couplings, clutches & brakes$18,427$10,554$313$18,963$4,237$8,816
Electro-magnetic lifting heads$29,405$5,121$346   
Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ...$9,422$16,428$14,861$31,560$35,474$78,872
Total$58,600$46,364$44,669$87,361$90,600$98,391