The B deme's size was 2533 until 7166.0 generations ago, when it began a exponential change, reaching 5170 individuals by 7015.2. After this period, the population underwent an exponential change, reaching 9115 individuals by 4985.5. From 4985.5 generations ago to now, the population decreased from 9115 to 389 at a linear rate.
time_units: generations
demes:
  - name: B
    start_time: .inf
    epochs:
      - start_size: 2533
        end_time: 7166.0
      - start_size: 2533
        end_size: 5170
        end_time: 7015.2
        size_function: exponential
      - start_size: 5170
        end_time: 4985.5
        end_size: 9115
        size_function: exponential
      - end_time: 0
        start_size: 9115
        end_size: 389
        size_function: linear