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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $588,812 | $373,023 | $771,920 | $1,419,774 | $3,102,086 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $11,317,169 | $18,965,510 | $28,946,164 | $26,283,578 | $10,893,937 |
| Electro-magnetic couplings, clutches & brakes | $209,154 | $282,993 | $361,852 | $168,732 | $117,576 |
| Electro-magnetic lifting heads | $22,682 | $187,868 | $227,971 | $1,215,650 | $180,942 |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $600,041 | $3,516,447 | $4,613,880 | $844,433 | $1,067,043 |
| Total | $12,737,858 | $23,325,841 | $34,921,787 | $29,932,167 | $15,361,584 |
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