google.charts.load('current', {
  'packages': ['geochart'],
  // Note: you will need to get a mapsApiKey for your project.
  // See: https://developers.google.com/chart/interactive/docs/basic_load_libs#load-settings
  'mapsApiKey': 'AIzaSyDpR5tzYRMsd7c3gLRScOtEVoAVAcx-AJw'
});
google.charts.setOnLoadCallback(drawMarkersMap);

function drawMarkersMap() {
  var data = google.visualization.arrayToDataTable([
    ['Country', 'Orders', 'Percentage'],['United States of America', 783, 50],
['Australia', 105, 7],
['Germany', 86, 6],
['Canada', 79, 5],
['United Kingdom of Great Britain and Northern Ireland', 62, 4],
['Switzerland', 52, 3],
['Hong Kong', 35, 2],
['Singapore', 28, 2],
['Netherlands', 22, 1],
['Austria', 21, 1],
['Korea, Republic of', 20, 1],
['Israel', 20, 1],
['France', 18, 1],
['Taiwan, Province of China', 18, 1],
['Japan', 18, 1],
['Thailand', 16, 1],
['Norway', 13, 1],
['Philippines', 12, 1],
['China', 11, 1],
['United Arab Emirates', 10, 1],
['Denmark', 9, 1],
['Malaysia', 8, 1],
['Saudi Arabia', 7, 0],
['Sweden', 7, 0],
['Kuwait', 7, 0],
['Spain', 7, 0],
['Indonesia', 6, 0],
['Hungary', 6, 0],
['South Africa', 6, 0],
['New Zealand', 6, 0],
['Romania', 5, 0],
['Ireland', 5, 0],
['Mexico', 5, 0],
['Belgium', 4, 0],
['Russian Federation', 4, 0],
['Portugal', 4, 0],
['Cyprus', 3, 0],
['Greece', 3, 0],
['Czechia', 3, 0],
['Italy', 3, 0],
['Finland', 2, 0],
['Bahrain', 2, 0],
['Gibraltar', 2, 0],
['Macao', 2, 0],
['Malta', 2, 0],
['Puerto Rico', 2, 0],
['Qatar', 2, 0],
['Poland', 1, 0],
['Slovenia', 1, 0],
['Monaco', 1, 0],
['Costa Rica', 1, 0],
['Latvia', 1, 0],
['New Caledonia', 1, 0],
['Luxembourg', 1, 0],
['Estonia', 1, 0],
['Nepal', 1, 0],
['Bulgaria', 1, 0],
  ]);

  var options = {
    backgroundColor: {
      fill: 'rgb(40,40,40)',
      stroke: 'rgb(0,0,0)',
      strokeWidth: 5,
    },
    region: 'world',
    displayMode: 'markers',
    colorAxis: {colors: ['green', 'blue']},
    sizeAxis: {
      minValue: 0,
      maxValue: 100,
      minSize: 5,
      maxSize: 30
    },
  };

  var chart = new google.visualization.GeoChart(document.getElementById('chart_div'));
  chart.draw(data, options);
};