Commodity20052006200720082009
Permanent magnets & arts. intended to become permanent magnets after magnet ...$85,710$33,723$151,340$148,655$118,139
Permanent magnets & arts. intended to become permanent magnets after magnet ...$530,289$353,421$212,775$467,108$475,488
Electro-magnetic couplings, clutches & brakes$405,134$611,189$526,317$663,513$431,641
Electro-magnetic lifting heads$221,057$293,659$263,312  
Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ...$668,054$584,827$1,350,497$2,094,776$906,197
Total$1,910,244$1,876,819$2,504,241$3,374,052$1,931,465