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| Commodity | 2005 | 2007 | 2008 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | $71,596,243 | $89,647,045 | $111,525,544 |
| Welded angles, shapes & sections of iron/steel | $5,808,382 | $6,062,729 | $4,591,793 |
| Total | $77,404,625 | $95,709,774 | $116,117,337 |
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