Until a shift occurred 2723.69 generations ago, deme E's population was consistently 6962. Since then, it increased to 8730, a number that has remained unchanged to the current time.
time_units: generations
demes:
  - name: E
    start_time: .inf
    epochs:
      - start_size: 6962
        end_time: 2723.69
      - start_size: 8730
        end_time: 0