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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $12,514 | $24,922 | $46,787 | $90,322 | $47,394 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $123,029 | $40,718 | $72,161 | $72,088 | $167,238 |
| Electro-magnetic couplings, clutches & brakes | $33,072 | $37,157 | $174,417 | $54,254 | $39,522 |
| Electro-magnetic lifting heads | $1,160 | $25,269 | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $57,145 | $94,503 | $126,346 | $125,869 | $88,981 |
| Total | $226,920 | $222,569 | $419,711 | $342,533 | $343,135 |
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