Commodity20062007200820092010
Rails of iron/steel$1,221$1,457$357$2,038 
Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ...  $68  
Fish-plates & sole plates (base plates) of iron/steel    $128
Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... $300   
Total$1,221$1,757$425$2,038$128