Commodity2005200620072008200920102011
Rails of iron/steel   $41$85,869$52,838$92,696
Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ...    $4,291$19 
Fish-plates & sole plates (base plates) of iron/steel    $2,002$440$266
Railway/tramway track construction mat.of iron/steel...: check-rails & rack ...$73,855$38$19,818 $21,899$32,114$1
Total$73,855$38$19,818$41$114,061$85,411$92,963