function drawChartTreatmentsPerYear() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['2024', 299],
    ['2023', 702],
    ['2022', 682],
    ['2021', 441],
    ['2020', 231],
    ['2019', 995],
    ['2017', 926],
    ['2016', 730],
    ['2015', 690],
    ['2014', 320],
    ['2013', 394],
    ['2011', 225],
    ['2010', 193],
    ['2009', 316],
    ['2006', 909],
    ['Other (78)', 1611]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Year (n=9664)',
    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);