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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $14,486,733 | $21,487,208 | $24,890,989 | $24,249,868 | $24,156,012 | $41,864,297 | $72,866,127 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $8,828,605 | $8,384,715 | $11,654,094 | $13,745,955 | $13,369,423 | $21,248,098 | $30,795,769 |
| Electro-magnetic couplings, clutches & brakes | $3,773,353 | $4,133,944 | $4,320,326 | $4,403,971 | $6,103,778 | $5,805,426 | $9,230,734 |
| Electro-magnetic lifting heads | $1,995,662 | $1,181,536 | $2,536 | $24,650 | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $12,045,398 | $16,982,971 | $22,311,111 | $27,888,972 | $21,094,632 | $36,774,397 | $39,177,020 |
| Total | $41,129,751 | $52,170,374 | $63,179,056 | $70,313,416 | $64,723,845 | $105,692,218 | $152,069,650 |
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