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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Rails of iron/steel | $5,110 | $2,801,783 | $41,748 | | $64,204 | $10,990 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | | | $3,990 | $3 | | |
| Fish-plates & sole plates (base plates) of iron/steel | | $1,037 | | | $11,255 | |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $15,578 | $25,690 | $188,700 | $60,735 | $946,574 | $1,361,468 |
| Total | $20,688 | $2,828,510 | $234,438 | $60,738 | $1,022,033 | $1,372,458 |
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