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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | $374,975 | $148,194 | $144,763 | $71,969 |
| Welded angles, shapes & sections of iron/steel | $61,269 | $161,067 | $96,012 | $143,663 |
| Total | $436,244 | $309,261 | $240,775 | $215,632 |
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