function drawChartSpecimensByCountry() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Specimen Count (overall)'],
    ['', 161],
    ['Benin', 1],
    ['Burkina Faso', 2],
    ['Cameroon', 1],
    ['Central African Republic', 11],
    ['Chad', 19],
    ['Democratic Republic of the Congo', 1],
    ['Eritrea', 1],
    ['Gambia', 4],
    ['Ghana', 1],
    ['Guinea-Bissau', 2],
    ['Nigeria', 2],
    ['Senegal', 1],
    ['Serbia', 1],
    ['Sierra Leone', 1],
    ['Sudan', 1],
    ['Togo', 10],
    ['Zimbabwe', 1]
  ]);
  var chartOptions = {
    region: 'world',
    fontSize: 'automatic',
    title: 'n=221',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'SpecimensByCountry', 'geo', 18, 0);
  var chart = new google.visualization.GeoChart(document.getElementById('chartDivSpecimensByCountry'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['geochart']});
google.setOnLoadCallback(drawChartSpecimensByCountry);