Until a shift occurred 2405.0 generations ago, deme E's population was consistently 3908. Since then, it grew to 4838, a number that has remained unchanged to the current time.
time_units: generations
demes:
  - name: E
    start_time: .inf
    epochs:
      - start_size: 3908
        end_time: 2405.0
      - start_size: 4838
        end_time: 0