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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $9,614,913 | $5,621,308 | $6,209,040 | $14,362,236 | $8,572,703 | $14,271,636 | $57,334,797 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $7,865,103 | $8,621,356 | $8,559,792 | $53,270,110 | $49,461,005 | $61,136,589 | $68,137,265 |
| Electro-magnetic couplings, clutches & brakes | $5,020,918 | $4,319,223 | $5,662,115 | $12,352,574 | $5,396,363 | $11,586,629 | $10,723,213 |
| Electro-magnetic lifting heads | $207,472 | $304,578 | $2,668,639 | $23,981,090 | $12,985,480 | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $3,515,821 | $3,344,607 | $1,548,481 | $14,130,856 | $6,674,850 | $32,628,114 | $30,979,159 |
| Total | $26,224,227 | $22,211,072 | $24,648,067 | $118,096,866 | $83,090,401 | $119,622,968 | $167,174,434 |
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