Until a shift occurred 9190.0 generations ago, deme V's population was consistently 594. Since then, it increased to 4742, a number that has remained unchanged to the current time.
time_units: generations
demes:
  - name: V
    start_time: .inf
    epochs:
      - start_size: 594
        end_time: 9190.0
      - start_size: 4742
        end_time: 0