ction() {
      return '<b>'+ this.x +' ms</b><br/>'+
      this.series.name +': '+ this.y +' %<br/>'+
      'Total: '+ this.point.stackTotal + ' %';
    }
  },
  plotOptions: {
    series: {
      groupPadding: 0,
      stacking: 'normal',
	    shadow: true
    }
  },
  series: [
  	{
type: 'column',
color: '#68b65c',
name: 'OK',
data: [
  13.32,0.27,4.05,6.4,3.83,4.04,1.36,0.68,1.18,0.98,0.58,0.32,0.4,0.47,0.65,0.54,0.77,0.36,0.2,0.55,0.83,0.23,0.5,0.54,0.44,0.45,0.47,0.42,0.45,0.97,0.35,0.66,0.4,0.39,0.4