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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | | | | | $147,552 | |
| Welded angles, shapes & sections of iron/steel | $2,524 | $2,099 | $1,495 | $2,633 | $695 | $208 |
| Total | $2,524 | $2,099 | $1,495 | $2,633 | $148,247 | $208 |
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