Commodity200520062007200820092010
Permanent magnets & arts. intended to become permanent magnets after magnet ...$483$686$2,759$417$1,007$1,346
Permanent magnets & arts. intended to become permanent magnets after magnet ...$617$1,001$2,759$1,587$761$500
Electro-magnetic couplings, clutches & brakes     $650
Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ...$1,855$962$3,250$6,184$1,747$965
Total$2,955$2,649$8,768$8,188$3,515$3,461