function drawChartTreatmentsPerYear() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['2024', 97],
    ['2023', 172],
    ['2022', 59],
    ['2021', 69],
    ['2019', 98],
    ['2018', 97],
    ['2017', 110],
    ['2014', 87],
    ['2013', 94],
    ['2011', 108],
    ['1939', 60],
    ['1938', 59],
    ['1932', 70],
    ['1930', 58],
    ['1907', 49],
    ['Other (140)', 1565]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Year (n=2852)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerYear', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerYear'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerYear);