function drawChartTreatmentsPerYear() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['2024', 36],
    ['2022', 81],
    ['2020', 32],
    ['2019', 55],
    ['2007', 205],
    ['2005', 44],
    ['1926', 44],
    ['1922', 41],
    ['1920', 38],
    ['1914', 30],
    ['1895', 43],
    ['1893', 32],
    ['1891', 46],
    ['1886', 84],
    ['1862', 44],
    ['Other (44)', 570]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Year (n=1425)',
    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);