title: unable to Add display data values on top of bar high chart
body: <p>as i am trying with above displayed code, but unable to get data values over bar chart
   i want data values to be displayed over bars. when i tried it by adding datalabels value get displayed in the bar not on the bar .please help in this regard.</p>
  
  <pre><code>$(function () {
      $('#container').highcharts({
          chart: {
              type: 'column'
          },
          title: {
              text: 'Monthly Average Rainfall'
          },
          subtitle: {
              text: 'Source: WorldClimate.com'
          },
          xAxis: {
              categories: [
                  'Jan',
                  'Feb',
                  'Mar',
                  'Apr',
                  'May',
                  'Jun',
                  'Jul',
                  'Aug',
                  'Sep',
                  'Oct',
                  'Nov',
                  'Dec'
              ]
          },
          yAxis: {
              min: 0,
              title: {
                  text: 'Rainfall (mm)'
              }
          },
          tooltip: {
              headerFormat: '&lt;span style="font-size:10px"&gt;{point.key}&lt;/span&gt;&lt;table&gt;',
              pointFormat: '&lt;tr&gt;&lt;td style="color:{series.color};padding:0"&gt;{series.name}: &lt;/td&gt;' +
                  '&lt;td style="padding:0"&gt;&lt;b&gt;{point.y:.1f} mm&lt;/b&gt;&lt;/td&gt;&lt;/tr&gt;',
              footerFormat: '&lt;/table&gt;',
              shared: true,
              useHTML: true
          },
          plotOptions: {
              column: {
                  pointPadding: 0.2,
                  borderWidth: 0
              }
          },
          series: [{
              name: 'Tokyo',
              data: [49.9]
  
          }, {
              name: 'New York',
              data: [83.6]
  
          }, {
              name: 'London',
              data: [48.9]
  
          }, {
              name: 'Berlin',
              data: [42.4]
  
          }]
      });
  });
  </code></pre>