function drawChartTreatmentsPerYear() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['2024', 11],
    ['2021', 16],
    ['2019', 8],
    ['2014', 7],
    ['2003', 4],
    ['1997', 9],
    ['1966', 3],
    ['1940', 5],
    ['1924', 6],
    ['1910', 27],
    ['1890', 55],
    ['1863', 5],
    ['1862', 4],
    ['1850', 5],
    ['1836', 4],
    ['Other (20)', 33]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Year (n=202)',
    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);