function drawChartTreatmentsPerYear() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['2024', 198],
    ['2021', 320],
    ['2018', 199],
    ['2017', 722],
    ['2016', 291],
    ['2015', 417],
    ['2014', 342],
    ['2012', 293],
    ['2011', 182],
    ['2010', 234],
    ['2009', 383],
    ['2008', 379],
    ['2007', 243],
    ['2005', 182],
    ['1970', 338],
    ['Other (154)', 6754]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Year (n=11477)',
    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);