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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $2,392,925 | $2,450,904 | $1,880,311 | $2,878,077 | $1,480,828 | $2,197,651 | $2,981,126 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $3,819,084 | $5,155,937 | $6,776,243 | $5,480,752 | $2,809,156 | $5,722,756 | $5,807,755 |
| Electro-magnetic couplings, clutches & brakes | $22,466,579 | $12,911,096 | $6,268,384 | $5,335,162 | $3,195,511 | $2,713,886 | $3,775,885 |
| Electro-magnetic lifting heads | $1,647,319 | $1,010,318 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $19,740,255 | $19,295,829 | $20,825,543 | $12,975,022 | $10,061,863 | $13,299,557 | $13,268,856 |
| Total | $50,066,162 | $40,824,084 | $35,750,481 | $26,669,013 | $17,547,358 | $23,933,850 | $25,833,622 |
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