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| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 | 2011 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | $182,590 | $78,507 | $12,335 | $314 | $3,608 | |
| Welded angles, shapes & sections of iron/steel | $106,627 | $99,639 | $92,336 | $144,355 | $44,912 | $54,128 |
| Total | $289,217 | $178,146 | $104,671 | $144,669 | $48,520 | $54,128 |
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