function drawChartTreatmentsPerYear() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['2024', 23],
    ['2023', 489],
    ['2022', 83],
    ['2020', 48],
    ['2019', 25],
    ['2018', 43],
    ['2017', 168],
    ['2016', 777],
    ['2015', 158],
    ['2014', 91],
    ['2013', 60],
    ['2010', 54],
    ['2006', 18],
    ['1988', 31],
    ['1946', 17],
    ['Other (55)', 170]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Year (n=2255)',
    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);