Commodity2005200620072008200920102011
Rails of iron/steel$1,075$36,930 $155,816$606,445$360,678$2,866,109
Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ...$1,410      
Fish-plates & sole plates (base plates) of iron/steel      $373
Railway/tramway track construction mat.of iron/steel...: check-rails & rack ...$70,337$251,123$97,798$748,470$633,053$288,652$24,379
Total$72,822$288,053$97,798$904,286$1,239,498$649,330$2,890,861