p: {
    formatter: function() {
      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: [
  26.27,3.84,2.72,2.64,2.07,1.83,1.45,1.14,1.28,1.02,1.47,2.17,2.57,2.43,2.81,2.55,1.76,1.4,1.47,1.12,1.21,1.28,0.76,0.71,0.16,0.23,0.19,0.19,0.11,0