Multiple level donut chart - Multiple level donut chart with others grouping

Multiple level donut chart with others grouping

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Open in JSFiddle
JavaScript
chart= new PieChart({
    "pie": {
        "innerRadius": 0.7
    },
    "container": "demo",
    "data": [
        {
            "url": "\/data\/browsers-extended.json"
        }
    ],
    "toolbar": {
        "fullscreen": true,
        "enabled": true
    },
    "interaction": {
        "resizing": {
            "enabled": false
        }
    }
})
HTML
      <script src="https://cdn.zoomcharts-cloud.com/1/latest/zoomcharts.js"></script>
      <div id="demo"></div>
                  
Data