Up until 899.4254 generations ago, the count of G deme was 2892. Following that period, it increased to 9317, where it has persisted until now.
time_units: generations
demes:
  - name: G
    start_time: .inf
    epochs:
      - start_size: 2892
        end_time: 899.4254
      - start_size: 9317
        end_time: 0