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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tubes, pipes & hollow profiles of cast iron | $39,440,131 | $83,956,410 | $36,854,456 | $65,428,311 | $137,268,024 | $59,550,513 | $32,723,710 |
| Total | $39,440,131 | $83,956,410 | $36,854,456 | $65,428,311 | $137,268,024 | $59,550,513 | $32,723,710 |
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