Commodity200520062008200920102011
Rails of iron/steel$110,932$4,958   $17,873
Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ...     $4,007
Fish-plates & sole plates (base plates) of iron/steel$420,871 $6,440$192,134  
Railway/tramway track construction mat.of iron/steel...: check-rails & rack ...$14,506$28,091$847,705$18,650$90,377$208,945
Total$546,309$33,049$854,145$210,784$90,377$230,825