DateFormat = yyyy ImageSize = width:800 height:auto barincrement:21 Period = from:1960 till:1990 TimeAxis = orientation:horizontal PlotArea = right:20 left:20 bottom:60 top:6 BackgroundColors = canvas:white Legend = position:bottom orientation:horizontal Colors = ScaleMajor = gridcolor:line unit:year increment:1 start:1960 BarData = PlotData = ......