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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tubes, pipes & hollow profiles of cast iron | $4,527,691 | $2,256,248 | $16,249,213 | $6,155,414 | $5,137,111 | $3,939,476 | $2,978,665 |
| Total | $4,527,691 | $2,256,248 | $16,249,213 | $6,155,414 | $5,137,111 | $3,939,476 | $2,978,665 |
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