Initially, the population size of deme S stood at 8984, but this changed 9066.73 generations ago when it increased to 9343, and it has been stable at that size up to today.
time_units: generations
demes:
  - name: S
    start_time: .inf
    epochs:
      - start_size: 8984
        end_time: 9066.73
      - start_size: 9343
        end_time: 0