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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tubes, pipes & hollow profiles of cast iron | $33,150,333 | $48,178,873 | $72,011,681 | $69,725,889 | $49,361,870 | $45,659,942 | $45,207,007 |
| Total | $33,150,333 | $48,178,873 | $72,011,681 | $69,725,889 | $49,361,870 | $45,659,942 | $45,207,007 |
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