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| Commodity | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | | | $139,555 | $47,022 | $424,981 |
| Welded angles, shapes & sections of iron/steel | $100 | $934 | $23,770 | $10,400 | |
| Total | $100 | $934 | $163,325 | $57,422 | $424,981 |
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