var chart = sb.chart.render("#chartWrap", {
    data: {
        type: "stackbar",
        columns: [
            ["2015",3.51,4.6,3.43,7.96,3.37,5.83,0.35,3.23,0.09,4.47,2.21,1.13,0.77,0.35,0.92,2.65,1.64,8.08],
            ["2016",0.71,2.14,3.18,1.84,0.79,0.35,0.28,0.44,0.79,0.84,1.33,0.7,1.51,0.09,1.05,1.66,0.58,4.63],
            ["2017",1.48,3.64,2.35,1.29,1.42,1.34,1.51,1.08,4.29,1.67,2.4,0.36,0.53,1.98,2.23,0.9,1.62,1.66]
        ],
        groups: [
            ["2015", "2016", "2017"]
        ]
    }
});
document.getElementById("chkGroup1").onchange = function() {
    chart.data().groups = [ ["2015", "2016", "2017"] ];
    chart.render();
}
document.getElementById("chkGroup2").onchange = function() {
    chart.data().groups = [ ["2015", "2016"], ["2017"] ];
    chart.render();
}
document.getElementById("chkGroup3").onchange = function() {
    chart.data().groups = [ ["2015"], ["2016", "2017"] ];
    chart.render();
}