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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| 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 |
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