1', '50701', '51301', '51901', '52501', '53101', '53701', '54301', '54901', '55501', '56101', '56701', '57301', '57901', '58501', '59101', '59701'],
    tickInterval: 20
  },
  yAxis: {
    min: 0,
    title: { text: 'Percentage of Requests' },
    reversedStacks: false
  },
  tooltip: {
    formatter: function() {
      return '<b>'+ this.x +' ms</b><br/>'+
      this.series.name +': '+ this.y +' %<br/>'+
      'Total: '+ this.point.stackTotal + ' %';
    }
  },
  plotOptions: {
    series: {
      groupPa