Highcharts with external CSV parser

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>
<script src="http://code.highcharts.com/modules/data.js"></script>
<script src="https://rawgit.com/mholt/PapaParse/master/papaparse.js"></script>

<div id="container" style="min-width: 310px; height: 400px; max-width: 800px; margin: 0 auto"></div>

<div style="max-width: 800px; margin: 0 auto">

  <pre id="data">Awards,2014,2015
K01,49,49
K05,15,14
K07,59,66
K08,100,95
K12,15,17
K18,0,0
K22,27,41
K23,31,27
K24,17,17
K25,15,11
K99,71,64
</pre>
</div>

CSS

#data {
  display: none;
}

JavaScript

$(function() {

  var colors = ['#CDAED1', '#82368C', '#94B8D2', '#2a71a5', '#ED561B', '#DDDF00', '#24CBE5', '#64E572', '#FF9655', 'orange'];

  var splitColors = [
    [],
    []
  ];
  colors.forEach((color, i) => {
    splitColors[i % 2].push(color)
  });

  Highcharts.theme = {
    chart: {
      backgroundColor: {
        linearGradient: [0, 0, 500, 500],
        stops: [
          [0, 'rgb(255, 255, 255)'],
          [1, 'rgb(240, 240, 255)']
        ]
      },
    },
    title: {
      style: {
        color: '#000',
        font: 'bold 16px "Trebuchet MS", Verdana, sans-serif'
      }
    },
    subtitle: {
      style: {
        color: '#666666',
        font: 'bold 12px "Trebuchet MS", Verdana, sans-serif'
      }
    },

    legend: {
      itemStyle: {
        font: '9pt Trebuchet MS, Verdana, sans-serif',
        color: 'black'
      },
      itemHoverStyle: {
        color: 'gray'
      }
    }
  };

  // Apply the theme
  Highcharts.setOptions(Highcharts.theme);
  /**
   * Use external CSV parser
   * http://papaparse.com/
   */
  var csv = Papa.parse(document.getElementById('data').innerHTML);

  $('#container').highcharts({

    data: {
      rows: csv.data,
      seriesMapping: [{
        // x: 0, // X values are pulled from column 0 by default
        // y: 1, // Y values are pulled from column 1 by default
        //label: 1 // Labels are pulled from column 2 and picked up in the dataLabels.format below
      }]
    },
    chart: {
      type: 'column'
    },
    title: {
      text: 'Chart of Values'
    },
    subtitle: {
      text: 'Subtitle text'
    },
    xAxis: {
      title: {
        text: "X Values"
      }
    },
    yAxis: {
      title: {
        text: 'Number of Things'
      },
      labels: {
        format: '{value}'
      }
    },
    legend: {
      enabled: true
    },
    plotOptions: {
      series: {
        dataLabels: {
          enabled: true,
          format: '{point.label}'
        },
        tooltip: {
         ...