anychart.onDocumentReady(function () {
var chart = anychart.bubble();
{x: 1, value: 25, size: 4},
{x: 2, value: 15, size: 2},
{x: 3, value: 20, size: 3},
{x: 4, value: 11, size: 1},
var maxSize = chart.maxBubbleSize();
chart.title('Get maximum bubble size. The size is ' + maxSize);
chart.yScale().maximum(30);
chart.container('container');