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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | $1,075 | $36,930 | | $155,816 | $606,445 | $360,678 | $2,866,109 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $1,410 | | | | | | |
| Fish-plates & sole plates (base plates) of iron/steel | | | | | | | $373 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $70,337 | $251,123 | $97,798 | $748,470 | $633,053 | $288,652 | $24,379 |
| Total | $72,822 | $288,053 | $97,798 | $904,286 | $1,239,498 | $649,330 | $2,890,861 |
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