Originally, deme G had a population size of 2376, which grew to 8195 around 9245.5 generations ago and has not changed since.
time_units: generations
demes:
  - name: G
    start_time: .inf
    epochs:
      - start_size: 2376
        end_time: 9245.5
      - start_size: 8195
        end_time: 0