07,0]]]);

var requestsChart = new Highcharts.StockChart({
  chart: {
    renderTo: 'responses',
    zoomType: 'x',
    marginBottom: 60
  },
  credits: { enabled: false },
  legend: {
    enabled: true,
    floating: true,
    y: -65,
    borderWidth: 0,
    itemStyle: { fontWeight: "normal" },
    symbolRadius: 0
  },
  title: { text: 'A title to let highcharts reserve the place for the title set later' },
  navigator: {
    maskInside: false
  },
  rangeSelector: {
    buttonSpacing: 0,
    buttonTheme: 