怎么让雷达图的数字全部都在外边

描述:当前是关于Echarts图表中的 雷达图 示例。
 
            option = {
    title: {
        text: '基础雷达图'
    },
    tooltip: {},
    legend: {
        data: ['预算分配(Allocated Budget)', '实际开销(Actual Spending)']
    },
    radar: {
        // shape: 'circle',
        name: {
            textStyle: {
                color: '#000',
           }
        },
        indicator: [
           { name: '销售(sales)', max: 6500},
           { name: '管理(Administration)', max: 16000},
           { name: '信息技术(Information Techology)', max: 30000},
           { name: '客服(Customer Support)', max: 38000},
           { name: '研发(Development)', max: 52000},
           { name: '市场(Marketing)', max: 25000}
        ],
        splitArea: {
              areaStyle: {
                  color: ['#CEE2FA', '#E4F0FF']
              }
        } 
    },
    series: [{
        name: '预算 vs 开销(Budget vs spending)',
        type: 'radar',
        areaStyle: {normal: {
            color:'rgba(173,192,251,0.9)',
           
        }},
        data : [
            {
                value : [4300, 10000, 28000, 35000, 50000, 19000],
                name : '预算分配(Allocated Budget)',
                lineStyle: {
                    normal: {
                        type: 'solid',
                        color:'#7587F4'
                    }
                },
                label: {
                    normal: {
                        show: true,
                        position:"top",
                        color:"#000"
                    }
                },
                symbol: 'circle',
                symbolSize: 15,
                itemStyle: {
                  normal: {
                      color: '#ADC1FC',
                      borderColor: '#7587F4'
                  }
                }
            }
        ]
    }]
};