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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | $22,855 | $2,554 | $7,424 | $5,092 | $10,341 | $25,126 |
| Welded angles, shapes & sections of iron/steel | $340,713 | $44,740 | $70,966 | $38,047 | $126,876 | $26,583 |
| Total | $363,568 | $47,294 | $78,390 | $43,139 | $137,217 | $51,709 |
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