Commodity20052006200720082009
Rails of iron/steel $30,811$654$938$162
Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ...$12    
Fish-plates & sole plates (base plates) of iron/steel    $309
Railway/tramway track construction mat.of iron/steel...: check-rails & rack ...$17,702$4,990$27,260$52,733$7,203
Total$17,714$35,801$27,914$53,671$7,674