function drawChartTreatmentsPerYear() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['2024', 1816],
    ['2023', 5024],
    ['2022', 4216],
    ['2021', 4441],
    ['2020', 3971],
    ['2019', 4388],
    ['2018', 2571],
    ['2017', 4161],
    ['2016', 4904],
    ['2015', 3286],
    ['2014', 4156],
    ['2013', 2379],
    ['2012', 2300],
    ['2010', 1856],
    ['2008', 1858],
    ['Other (227)', 20176]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Year (n=71503)',
    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);