text: var options = {
      container: document.querySelector('#myChart'),
      data: data,
      title: {
          text: 'Regular Internet Users',
          fontSize: 18,
      },
      subtitle: {
          text: 'Source: Office for National Statistics',
      },
      series: [{
          type: 'column',
          xKey: 'year',
          yKeys: ['16-24', '25-34', '35-44', '45-54', '55-64', '65-74', '75+'],
          grouped: true,
      }],
      axes: [
          {
              type: 'category',
              position: 'bottom',
          },
          {
              type: 'number',
              position: 'left',
              label: {
                  formatter: function(params) { return params.value / 1000 + 'M'; }
              }
          }],
  };
  
  var chart = agCharts.AgChart.create(options);
  