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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... | | $19,061 | | $16,802 | $49,259 | $260,580 |
| Welded angles, shapes & sections of iron/steel | $4,663 | $1,646 | $46,129 | $101,136 | $94,704 | $69,592 |
| Total | $4,663 | $20,707 | $46,129 | $117,938 | $143,963 | $330,172 |
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