'48761', '49382', '50003', '50624', '51245', '51867', '52488', '53109', '53730', '54351', '54972', '55593', '56214', '56835', '57457', '58078', '58699', '59320', '59941', '60562', '61183', '61804'],
    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 + ' %';
    }