e: 'rangeArea',
            name: 'Team B Range',
        
            data: [
              {
                x: 'Jan',
                y: [null, null]
              },
              {
                x: 'Feb',
                y: [1200, 1800]
              },
              {
                x: 'Mar',
                y: [900, 2900]
              },
              {
                x: 'Apr',
                y: [1400, 2700]
              },
              {
                x: 'May',
                y: [2600, 39