Commodity2005200620072008200920102011
Permanent magnets & arts. intended to become permanent magnets after magnet ...$13,386,802$13,296,567$10,150,156$14,854,421$4,832,072$6,239,414$8,727,656
Permanent magnets & arts. intended to become permanent magnets after magnet ...$39,585,568$33,930,599$30,347,553$26,965,125$21,091,343$24,974,890$28,019,491
Electro-magnetic couplings, clutches & brakes$87,905,716$94,186,945$119,788,856$145,998,155$88,904,298$100,527,875$119,350,316
Electro-magnetic lifting heads$1,269,127$532,264     
Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ...$71,344,851$79,409,077$112,402,309$118,476,911$86,259,023$111,748,746$128,303,364
Total$213,492,064$221,355,452$272,688,874$306,294,612$201,086,736$243,490,925$284,400,827