The country ranking for expenditure of higer education institution echarts tree配置项内容和展示

      myChart.showLoading();
var data2 = {
    "name": "Higher Education Institutions",
    "children": [
        {
            "name": "Public",
            "children": [
                {"name": "Fineland", "value": 1.9},
                {"name": "Denmark", "value": 1.8},
                {"name": "Norway", "value": 1.6},
                {"name": "Sweden", "value": 1.6},
                {"name": "Austria", "value": 1.4},
                {"name": "Estonia", "value": 1.4},
                {"name": "Netherlands", "value": 1.3},
                {"name": "Belgium", "value": 1.3},
                {"name": "France", "value": 1.3},
                {"name": "Switzerland", "value": 1.3},
            ]
        },
        {
            "name": "Private",
            "children": [
                {"name": "Korea", "value": 1.9},
                {"name": "United States", "value": 1.8},
                {"name": "Chile", "value": 1.7},
                {"name": "Japan", "value": 1},
                {"name": "Australia", "value": 0.9},
                {"name": "Israel", "value": 0.8},
                {"name": "New Zealand", "value": 0.5},
                {"name": "Netherlands", "value": 0.5},
                {"name": "OCED Average", "value": 0.5},
                {"name": "Russian Federation", "value": 0.5}
           ]
        },
    ]
};

myChart.hideLoading();

myChart.setOption(option = {
    tooltip: {
        trigger: 'item',
        triggerOn: 'mousemove'
    },
    legend: {
        top: '20%',
        left: '20%',
        orient: 'vertical',
        data: [{
            name: 'tree1',
            icon: 'rectangle'
        }],
        borderColor: '#c23531'
    },
    series:[
        {
            type: 'tree',

            name: 'tree',

            data: [data2],

            top: '5%',
            left: '30%',
            bottom: '2%',
            right: '20%',

            symbolSize: 7,

            label: {
                position: 'left',
                verticalAlign: 'middle',
                align: 'right'
                
            },

            leaves: {
                label: {
                    position: 'right',
                    verticalAlign: 'middle',
                    align: 'left'
                }
            },

            expandAndCollapse: true,

            animationDuration: 550,
            animationDurationUpdate: 750

        }
       
    ]
});