function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 10761],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 4478],
    ['Biodiversity Data Journal', 32469],
    ['European Journal of Taxonomy', 9152],
    ['Far Eastern Entomologist', 4567],
    ['Insecta Mundi', 14921],
    ['Journal of Hymenoptera Research', 2603],
    ['Journal of Natural History', 7860],
    ['Laurentius Salvius', 2070],
    ['Linzer biologische Beiträge', 28773],
    ['The Coleopterists Bulletin', 5568],
    ['ZooKeys', 32182],
    ['Zoological Journal of the Linnean Society', 2520],
    ['Zoosystema', 5913],
    ['Zootaxa', 218130],
    ['Other (1682)', 69075]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=451042)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);