H deme's population was steady at 5434 before it decreased to 1253 8942.03 generations ago, maintaining that number to the present.
time_units: generations
demes:
  - name: H
    start_time: .inf
    epochs:
      - start_size: 5434
        end_time: 8942.03
      - start_size: 1253
        end_time: 0