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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | $46,343 | $23,978 | $210,124 | $129,253 | $544,452 | $130,262 |
| Welded angles, shapes & sections of iron/steel | $121,737 | $147,580 | $177,261 | $104,244 | $49,853 | $119,672 |
| Total | $168,080 | $171,558 | $387,385 | $233,497 | $594,305 | $249,934 |
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