<html>
<head>
<script type='text/javascript'>
google.load('visualization', '1', {'packages': ['geochart']});
google.setOnLoadCallback(drawMarkersMap);
function drawMarkersMap() {
var data = google.visualization.arrayToDataTable([
['string', 'City', 'Value'],
['PT-01', 'Aveiro', 60],
['PT-02', 'Beja', 9],
['PT-03', 'Braga', 8],
['PT-04', 'Braganca', 4],
['PT-05', 'Castelo Branco', 4],
['PT-06', 'Coimbra', 26],
['PT-07', 'Evora', 8],
['PT-08', 'Faro', 33],
['PT-09', 'Guarda', 20],
['PT-10', 'Leiria', 26],
['PT-11', 'Lisboa', 107],
['PT-12', 'Portalegre', 7],
['PT-13', 'Porto', 80],
['PT-14', 'Santarem', 30],
['PT-15', 'Setubal', 57],
['PT-16', 'Viana do Castelo', 8],
['PT-17', 'Vila Real', 4],
['PT-18', 'Viseu', 27]
]);
var options = {
region: 'PT',
resolution: 'provinces',
displayMode: 'auto',
colorAxis: {colors: ['#f2ff00', '#fc6000', '#a00000', '#700000']}
};
var chart = new google.visualization.GeoChart(document.getElementById('chart_div'));
chart.draw(data, options);
};
</script>
</head>
<body>
<div id="chart_div" style="width: 700px; height: 500px;"></div>
</body>
</html>