Commodity2005200620072008200920102011
Permanent magnets & arts. intended to become permanent magnets after magnet ...$314,742$219,730$221,432$255,984$419,779$236,793$495,855
Permanent magnets & arts. intended to become permanent magnets after magnet ...$235,560$296,573$386,872$307,821$365,032$595,322$835,258
Electro-magnetic couplings, clutches & brakes$580,268$1,180,005$1,705,544$1,536,136$2,294,004$2,212,096$2,562,735
Electro-magnetic lifting heads$9,709$568,299$2,965    
Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ...$407,985$611,041$1,918,532$1,885,913$1,296,727$1,682,990$2,128,787
Total$1,548,264$2,875,648$4,235,345$3,985,854$4,375,542$4,727,201$6,022,635