# sa4a

    // Usage: pl -gif sa4a.htm

    // set up area and scaling using proc areadef
    #proc areadef
      rectangle: 1 1 4 2
      xscaletype: date mm-dd-yyyy
      xrange: 06-01-1998 06-01-2000
      yrange: 0 100

    // do months using proc axis
    #proc xaxis
      stubs: increment 1 month
      stubformat: M

    // do years using proc axis a second time
    #proc xaxis
      location: min-0.23
      axisline: none
      stubs: increment 1 year
      stubformat: yyyy
      stubrange: 01-01-1999