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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Rails of iron/steel | $2,253,413 | $5,017,687 | $6,555,140 | $94,780,334 | $4,679,864 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $571,583 | $15,127,219 | $7,950,703 | $3,432,854 | $200,543 |
| Fish-plates & sole plates (base plates) of iron/steel | $27,996,865 | $64,948,120 | $26,626,386 | $38,062,025 | $13,152,684 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $65,866,617 | $107,940,604 | $164,432,530 | $400,189,632 | $44,555,436 |
| Total | $96,688,478 | $193,033,630 | $205,564,759 | $536,464,845 | $62,588,527 |
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