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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $8,652,038 | $4,489,085 | $6,453,072 | $5,438,737 | $1,843,002 | $3,558,129 | $4,769,977 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $967,851 | $1,671,001 | $1,273,958 | $1,824,411 | $1,464,557 | $2,295,514 | $2,123,011 |
| Electro-magnetic couplings, clutches & brakes | $2,303,138 | $1,894,539 | $2,677,017 | $2,655,963 | $1,983,744 | $2,274,922 | $2,342,021 |
| Electro-magnetic lifting heads | $35,258 | $64,929 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $9,169,817 | $13,441,140 | $5,371,510 | $5,292,155 | $5,208,437 | $6,730,323 | $8,411,994 |
| Total | $21,128,102 | $21,560,694 | $15,775,557 | $15,211,266 | $10,499,740 | $14,858,888 | $17,647,003 |
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