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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | $11,241 | $59,345 | $23,147 | $33,547 |
| Welded angles, shapes & sections of iron/steel | $139,559 | $520,382 | $244,968 | $637,099 |
| Total | $150,800 | $579,727 | $268,115 | $670,646 |
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