The deme of X kept its population at 7293 until 7588.5 generations ago, when a exponential reduction ensued until 7190.7, to size 2814. Subsequently, a exponential change changed the numbers to 725 individuals by 1792.0538. Starting from 1792.0538, the population has seen a change from 725 to 7390 at a exponential pace, continuing to this day.
time_units: generations
demes:
  - name: X
    start_time: .inf
    epochs:
      - start_size: 7293
        end_time: 7588.5
      - start_size: 7293
        end_size: 2814
        end_time: 7190.7
        size_function: exponential
      - start_size: 2814
        end_time: 1792.0538
        end_size: 725
        size_function: exponential
      - end_time: 0
        start_size: 725
        end_size: 7390
        size_function: exponential