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| Commodity | 2005 | 2006 | 2008 | 2010 | 2011 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | $26,000 | $144,000 | | $18,000 | $45,000 |
| Welded angles, shapes & sections of iron/steel | $240,000 | $63,000 | $159,000 | $53,000 | $2,397,000 |
| Total | $266,000 | $207,000 | $159,000 | $71,000 | $2,442,000 |
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