Bubble auto scaling

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>
<script src="http://code.highcharts.com/highcharts-more.js"></script>
<div id="container" style="width: 600px; height: 400px; margin: 0 auto;"></div>

JavaScript

$(function () {
    $('#container').highcharts({

        chart: {
            type: 'bubble'
        },

        xAxis: {
            maxPadding: 0.1,
            gridLineWidth: 1,
            min: 0
        },

        yAxis: {
            maxPadding: 0.2,
            startOnTick: false,
            endOnTick: false,
            min: 0
        },


        series: [{
            data: [
                [9, 81, 63],
                [98, 10, 189],
                [51, 50, 73],
                [41, 22, 14]

            ]
        }]

    });
});