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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Rails of iron/steel | $3,571,922 | $2,395,379 | $671,632 | $1,904,849 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $86,740 | $230,019 | $293,727 | $19,817 |
| Fish-plates & sole plates (base plates) of iron/steel | $2,214 | $689 | $4,161 | |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $31,600 | $142,417 | $103,110 | $69,570 |
| Total | $3,692,476 | $2,768,504 | $1,072,630 | $1,994,236 |
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