function drawChartTreatmentsPerYear() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['2023', 581],
    ['2022', 813],
    ['2021', 2870],
    ['2020', 1050],
    ['2019', 2512],
    ['2018', 1761],
    ['2017', 902],
    ['2016', 692],
    ['2015', 855],
    ['2014', 2567],
    ['2013', 673],
    ['2011', 740],
    ['2010', 795],
    ['2007', 1010],
    ['2005', 582],
    ['Other (232)', 22243]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Year (n=40646)',
    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);