DateFormat = dd/mm/yyyy Define $now = 14/03/2018 Period = from:01/01/1950 till:$now TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:5 start:01/01/1955 ScaleMinor = unit:year increment:1 start:01/01/1950 Legend = orientation:horizontal position:bottom .
BarData = bar:cn text:[[China|P.R. of China]] bar:us text:[[United States]] .