H deme's population was steady at 7067 before it increased to 9977 1683.44 generations ago, maintaining that number to the present.
time_units: generations
demes:
  - name: H
    start_time: .inf
    epochs:
      - start_size: 7067
        end_time: 1683.44
      - start_size: 9977
        end_time: 0