Baden-Württemberg - Highcharts Maps

Highcharts Maps demo

HTML

<script src="https://code.highcharts.com/maps/highmaps.js"></script>
<script src="https://code.highcharts.com/maps/modules/exporting.js"></script>

<div id="container"></div>

CSS

#container {
    height: 500px;
    min-width: 310px;
    max-width: 800px;
    margin: 0 auto;
}

.loading {
    margin-top: 10em;
    text-align: center;
    color: gray;
}

JavaScript

(async () => {

    const topology = await fetch(
        'https://code.highcharts.com/mapdata/countries/de/de-bw-all.topo.json'
    ).then(response => response.json());

    // Prepare demo data. The data is joined to map using value of 'hc-key'
    // property by default. See API docs for 'joinBy' for more info on linking
    // data and map.
    const data = [
        ['de-bw-08136000', 10], ['de-bw-08116000', 11], ['de-bw-08415000', 12],
        ['de-bw-08115000', 13], ['de-bw-08117000', 14], ['de-bw-08425000', 15],
        ['de-bw-08226000', 16], ['de-bw-08236000', 17], ['de-bw-08235000', 18],
        ['de-bw-08231000', 19], ['de-bw-08125000', 20], ['de-bw-08215000', 21],
        ['de-bw-08111000', 22], ['de-bw-08222000', 23], ['de-bw-08221000', 24],
        ['de-bw-08212000', 25], ['de-bw-08216000', 26], ['de-bw-08118000', 27],
        ['de-bw-08119000', 28], ['de-bw-08311000', 29], ['de-bw-08316000', 30],
        ['de-bw-08135000', 31], ['de-bw-08417000', 32], ['de-bw-08237000', 33],
        ['de-bw-08225000', 34], ['de-bw-08128000', 35], ['de-bw-08435000', 36],
        ['de-bw-08127000', 37], ['de-bw-08335000', 38], ['de-bw-08317000', 39],
        ['de-bw-08336000', 40], ['de-bw-08326000', 41], ['de-bw-08337000', 42],
        ['de-bw-08436000', 43], ['de-bw-08437000', 44], ['de-bw-08426000', 45],
        ['de-bw-08421000', 46], ['de-bw-08315000', 47], ['de-bw-08121000', 48],
        ['de-bw-08416000', 49], ['de-bw-08211000', 50], ['de-bw-08325000', 51],
        ['de-bw-08327000', 52], ['de-bw-08126000', 53]
    ];

    // Create the chart
    Highcharts.mapChart('container', {
        chart: {
            map: topology
        },

        title: {
            text: 'Highcharts Maps basic demo'
        },

        subtitle: {
            text: 'Source map: <a href="https://code.highcharts.com/mapdata/countries/de/de-bw-all.topo.json">Baden-Württemberg</a>'
        },

        mapNavigation: {
            enabled: true,
            buttonOptions: {
        ...