154', '6251', '6348', '6445', '6542', '6639', '6736', '6833', '6930', '7027', '7124', '7221', '7317', '7414', '7511', '7608', '7705', '7802', '7899', '7996', '8093', '8190', '8287', '8384', '8481', '8577', '8674', '8771', '8868', '8965', '9062', '9159', '9256', '9353', '9450', '9547', '9644'],
    tickInterval: 20
  },
  yAxis: {
    min: 0,
    title: { text: 'Percentage of Requests' },
    reversedStacks: false
  },
  tooltip: {
    formatter: function() {
      return '<b>'+ this.x +' ms</b><br/>'+
     