Commodity200520062007200820092010
Rails of iron/steel$36,259$58,030$4,919$18,897  
Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ...   $100,734$39,155 
Fish-plates & sole plates (base plates) of iron/steel$531 $1,461 $24,903$106,220
Railway/tramway track construction mat.of iron/steel...: check-rails & rack ...$34,828$1,532,769$8,534$34,663$194,473$19,441
Total$71,618$1,590,799$14,914$154,294$258,531$125,661