: true,
    showLastLabel: true,
    min: 0
  },
  title: { text: 'A title to let highcharts reserve the place for the title set later' },
  yAxis: {
    min: 0,
    title: { text: 'Response Time (ms)' }
  },
  tooltip: {
    formatter: function() {
         return ''+ this.y +' ms at ' + this.x + ' allreq/s';
    }
  },
  legend: {
    enabled: true,
    floating: true,
    y: 0,
    borderWidth: 0,
    itemStyle: { fontWeight: "normal" },
  },
  plotOptions: {
    scatter: {
      marker: {
        radius