Until 5958.1937 generations ago, the population of deme E was 6078. At that point, it changed to 5785, where it has stayed up to now.
time_units: generations
demes:
  - name: E
    start_time: .inf
    epochs:
      - start_size: 6078
        end_time: 5958.1937
      - start_size: 5785
        end_time: 0