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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Helical springs of iron/steel | $131,850 | $218,564 | $234,908 | $232,610 | $333,911 | $172,406 | $303,224 |
| Springs & leaves for springs, of iron/steel (excl. of 7320.10 & 7320.20) | $1,380 | $334 | | $30 | | | |
| Total | $133,230 | $218,898 | $234,908 | $232,640 | $333,911 | $172,406 | $303,224 |
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