function drawChartTreatmentsPerYear() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['2024', 89],
    ['2023', 1150],
    ['2022', 829],
    ['2021', 245],
    ['2020', 384],
    ['2019', 205],
    ['2018', 197],
    ['2017', 115],
    ['2016', 100],
    ['2015', 60],
    ['2014', 132],
    ['2013', 24],
    ['2012', 55],
    ['2007', 102],
    ['2006', 22],
    ['Other (19)', 87]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Year (n=3796)',
    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);