Up until 3899.7148 generations ago, the count of E deme was 8796. Following that period, it changed to 9695, where it has persisted until now.
time_units: generations
demes:
  - name: E
    start_time: .inf
    epochs:
      - start_size: 8796
        end_time: 3899.7148
      - start_size: 9695
        end_time: 0