etOptions({
  global: { useUTC: false }
});

var rangesChart = new Highcharts.Chart({
  chart: {
    renderTo: 'ranges',
    marginRight: 100
  },
  credits: { enabled: false },
  legend: { enabled: false },
  title: { text: 'A title to let highcharts reserve the place for the title set later' },
  xAxis: {
    categories: [
      pageStats.group1.htmlName,
      pageStats.group2.htmlName,
      pageStats.group3.htmlName,
      pageStats.group4.htmlName
    ]
  },
  yAxis: {
    title: { text: 'Number of Re