Commodity2005200620072008200920102011
Permanent magnets & arts. intended to become permanent magnets after magnet ...  $244$75$43,833  
Permanent magnets & arts. intended to become permanent magnets after magnet ...$132$3$115$57$80,853$254$33
Electro-magnetic couplings, clutches & brakes $406  $357,587$552$111
Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... $15 $32$96,552$68 
Total$132$424$359$164$578,825$874$144