For deme V, the population count was 4802 until a change 5783.71 generations ago, where it decreased to 1611, remaining steady thereafter.
time_units: generations
demes:
  - name: V
    start_time: .inf
    epochs:
      - start_size: 4802
        end_time: 5783.71
      - start_size: 1611
        end_time: 0