Brandenburg - 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-bb-all-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-bb-12060000-12060020', 10], ['de-bb-12060000-12060192', 11],
        ['de-bb-12062000-12062128', 12], ['de-bb-12073000-12073565', 13],
        ['de-bb-12073000-12073393', 14], ['de-bb-12061000-12061405', 15],
        ['de-bb-12061000-12061216', 16], ['de-bb-12063000-12063142', 17],
        ['de-bb-12060000-12060092', 18], ['de-bb-12064000-12064125', 19],
        ['de-bb-12069000-12069470', 20], ['de-bb-12069000-12069216', 21],
        ['de-bb-12069000-12069448', 22], ['de-bb-12069000-12069485', 23],
        ['de-bb-12069000-12069537', 24], ['de-bb-12060000-12060269', 25],
        ['de-bb-12065000-12065256', 26], ['de-bb-12065000-12065193', 27],
        ['de-bb-12065000-12065198', 28], ['de-bb-12068000-12068372', 29],
        ['de-bb-12070000-12070222', 30], ['de-bb-12070000-12070096', 31],
        ['de-bb-12068000-12068188', 32], ['de-bb-12066000-12066285', 33],
        ['de-bb-12062000-12062293', 34], ['de-bb-12063000-12063256', 35],
        ['de-bb-12063000-12063186', 36], ['de-bb-12063000-12063240', 37],
        ['de-bb-12073000-12073008', 38], ['de-bb-12073000-12073440', 39],
        ['de-bb-12070000-12070316', 40], ['de-bb-12070000-12070393', 41],
        ['de-bb-12067000-12067552', 42], ['de-bb-12067000-12067508', 43],
        ['de-bb-12069000-12069648', 44], ['de-bb-12051000-12051000', 45],
        ['de-bb-12063000-12063148', 46], ['de-bb-12069000-12069541', 47],
        ['de-bb-12069000-12069460', 48], ['de-bb-12067000-12067120', 49],
        ['de-bb-12067000-12067338', 50], ['de-bb-12069000-12069474', 51],
        ['de-bb-12069000-12069076', 52], ['de-bb-12063000-12063208',...