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| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | | | $4,410 | | | $4,146 |
| Welded angles, shapes & sections of iron/steel | $26,269 | $13,624 | $47,539 | $35,274 | $3,807 | $347,243 |
| Total | $26,269 | $13,624 | $51,949 | $35,274 | $3,807 | $351,389 |
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