Initially, the population size of deme Q stood at 5085, but this changed 9209.1835 generations ago when it changed to 8069, and it has been stable at that size up to today.
time_units: generations
demes:
  - name: Q
    start_time: .inf
    epochs:
      - start_size: 5085
        end_time: 9209.1835
      - start_size: 8069
        end_time: 0