The deme of W kept its population at 1175 until 8993.91 generations ago, when a linear increase ensued until 2206.0, to size 9750. Subsequently, a exponential change changed the numbers to 7272 individuals by 749.66. Starting from 749.66, the population has seen a change from 7272 to 1248 at a linear pace, continuing to this day.
time_units: generations
demes:
  - name: W
    start_time: .inf
    epochs:
      - start_size: 1175
        end_time: 8993.91
      - start_size: 1175
        end_size: 9750
        end_time: 2206.0
        size_function: linear
      - start_size: 9750
        end_time: 749.66
        end_size: 7272
        size_function: exponential
      - end_time: 0
        start_size: 7272
        end_size: 1248
        size_function: linear