'17369', '17572', '17775', '17978', '18181', '18384', '18587', '18791', '18994', '19197', '19400', '19603', '19806', '20009', '20212'],
    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: {
      groupPadding: 0,
   