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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | $865 | $10,176 | $2,675,253 | $1,884,454 | $25,687 | $118,245 | $83,536 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | | $51,880 | | $203,890 | | | |
| Fish-plates & sole plates (base plates) of iron/steel | $366,798 | $451,715 | $536,844 | $802,290 | $3,454 | $15,989 | $16,976 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $95,875 | $145,445 | $1,061,831 | $2,419,469 | $2,233,153 | $2,629,287 | $2,652,740 |
| Total | $463,538 | $659,216 | $4,273,928 | $5,310,103 | $2,262,294 | $2,763,521 | $2,753,252 |
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