For deme V, the population count was 5829 until a change 9084.6 generations ago, where it changed to 9568, remaining steady thereafter.
time_units: generations
demes:
  - name: V
    start_time: .inf
    epochs:
      - start_size: 5829
        end_time: 9084.6
      - start_size: 9568
        end_time: 0