Commodity200520062007200820092010
Rails of iron/steel $1,389$92$312 $1,462
Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ...    $4 
Railway/tramway track construction mat.of iron/steel...: check-rails & rack ...$74,890  $668 $109
Total$74,890$1,389$92$980$4$1,571