ImageSize = width:1000 height:178 PlotArea = width:750 height:93 left:200 bottom:35 AlignBars = justify Period = from:1963 till:2011 TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:4 start:1963 ScaleMinor = unit:year increment:1 start:1963 Colors = BarData = PlotData= TextData= ...