Commodity200520062007200820092010
Permanent magnets & arts. intended to become permanent magnets after magnet ... $20$540$1,701$248 
Permanent magnets & arts. intended to become permanent magnets after magnet ...$1,765$8,797$2,464$50$181$70
Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ...$1,030$92$20$4,880 $236
Total$2,795$8,909$3,024$6,631$429$306