Commodity2005200920102011
Rails of iron/steel $11,000$1,735,296$1,076,012
Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ...  $15,006 
Fish-plates & sole plates (base plates) of iron/steel$20,000 $12,193 
Railway/tramway track construction mat.of iron/steel...: check-rails & rack ...  $4,286 
Total$20,000$11,000$1,766,781$1,076,012