series: [
     {
      name: 'Expenses',
      type: 'bar',
      stack: 'Total',
      label: {
        show: true,
        position: 'left'
      },
      emphasis: {
        focus: 'series'
      },
      data: [-120, -132, -101, -134, -190, -230, -210]
    }

]