The number of individuals in deme V remained at 6939 until 8081.5 generations ago, at which time it increased to a new stable size of 8794.
time_units: generations
demes:
  - name: V
    start_time: .inf
    epochs:
      - start_size: 6939
        end_time: 8081.5
      - start_size: 8794
        end_time: 0