Germany, admin2 - 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-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-sh-01054000', 10], ['de-mv-13074000', 11], ['de-mv-13073000', 12],
        ['de-mv-13003000', 13], ['de-ni-03457000', 14], ['de-mv-13076000', 15],
        ['de-ni-03356000', 16], ['de-by-09184000', 17], ['de-by-09177000', 18],
        ['de-by-09175000', 19], ['de-sh-01061000', 20], ['de-rp-07138000', 21],
        ['de-rp-07143000', 22], ['de-rp-07313000', 23], ['de-bw-08125000', 24],
        ['de-bw-08226000', 25], ['de-sl-10045000', 26], ['de-th-16062000', 27],
        ['de-bb-12068000', 28], ['de-hb-04012000', 29], ['de-by-09377000', 30],
        ['de-by-09187000', 31], ['de-ni-03462000', 32], ['de-by-09372000', 33],
        ['de-bb-12071000', 34], ['de-sn-14626000', 35], ['de-ni-03459000', 36],
        ['de-by-09172000', 37], ['de-ni-03405000', 38], ['de-bw-08136000', 39],
        ['de-bw-08415000', 40], ['de-by-09472000', 41], ['de-by-09574000', 42],
        ['de-by-09564000', 43], ['de-ni-03241000', 44], ['de-ni-03252000', 45],
        ['de-by-09375000', 46], ['de-he-06534000', 47], ['de-he-06535000', 48],
        ['de-bw-08317000', 49], ['de-bw-08237000', 50], ['de-st-15001000', 51],
        ['de-st-15082000', 52], ['de-nw-05766000', 53], ['de-ni-03361000', 54],
        ['de-ni-03256000', 55], ['de-sn-14522000', 56], ['de-ni-03353000', 57],
        ['de-sh-01053000', 58], ['de-sn-14523000', 59], ['de-th-16075000', 60],
        ['de-th-16074000', 61], ['de-by-09163000', 62], ['de-by-09762000', 63],
        ['de-by-09474000', 64], ['de-by-09361000', 65], ['de-by-09471000', 66],
        ['de-by-09463000', 67], ['de-by-09461000', 68], ['de-ni-03156000', 69],
        ['de-by-09462000',...